MIL-DTL-38999 series III circular electrical connector series Connector

Total > CONNECTORS > D-SUB (Rectangle) > JQ15 Rectangular Electrical Connector series > MIL-DTL-38999 series > MIL-DTL-38999 series III circular electrical connector series

Product solid picture
Brief introduction
specification
how to order
Product Outline Dimensions
Contact Arrangements
Main key/Keyway
Terminal Accessories

Product solid picture

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Brief introduction

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—High density miniature circular electrical connector. Including from one contact to 128 contacts.

—Contact codes including #22D、#20、#16、#12、#16.coaxial and #8 tri-coaxial

—Threaded coupling. releasing-proof.

—Scoop - proof

—EMI/RFI shielding with round reed

—Shock-proof and vibration-proof

—Fluid immersion

Apply widely in aviation, space and military systems, especially in high strength vibration environment.

Meet the US military standard:MIL-DTL-38999 series III.

specification

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Mechanical characteristic

—Aluminum alloy

—Vibration： 254 m/s² 10～50Hz

Olive drab cadmium plate(W) Electroless nickel coating(F)

Sine： 588 m/s² 140～2000Hz

— Insert interface： Plastic

Random： at high temperature 96( m/s² )²/ Hz 408 m/s², 100～1000Hz

—Gasket： Silicon rubber elastomer

Random： at ambient 480( m/s² )²/ Hz， 100～300 Hz

—Contact： Copper alloy

—Contact retention force(min)：

Finishing： Nickel plate followed by gold plate

#22D:45N #16:111N #8 coaxial:111N

—Life： 1500 Cycles

#20:67N #12:111N #8 tri-coaxial:111N

—Shock：2940 m/s² 3 ms

Electrical characteristic

—Dielectric withstanding voltage (Vrms) (Mated)

—shell to shell conductivity

Ratings	Sea level	21000m
M N Ⅰ Ⅱ	1300 1000 1800 2300	800 600 1000 1000

Olive-drab cadmium plate： 2.5mV Nickel： 1mV

—Shielding

100MHz 90 dB 1GHz 85dB

10GHz(F) 65dB 10GHz(W) 50dB

—Coaxial contact：

Operation frequency： 0～1GHz Character resistance：50Ω

voltage standing wave rate:≤1.3

— #8 tri-coaxial contacts

—Contact resistance

Frequency Width：0～20MHz

#22D：14.6mΩ #20：7.3 mΩ

voltage Ratings： 500 V AC Max

#16：3.8 mΩ #12：1.7 mΩ

125 V AC at 21000m level

—Insulate resistance: ≥5000MΩ(500V DC)

Voltage dropped：

— Contact current ratings

Inner and middle contact ： ≤55mV at 1A

#22D:5A #20:7.5A #16:13A #12:23A

External： ≤75mV at 12A

Environmental characteristic

—Temperature ranges：

—Salt spray： 500h(W) 48h(F)

Cadmium(W)：-65℃～+175℃

—Temperature shock ： For 24 hours, 10 cycles

Nickel(F)：-65℃～+200℃

—Fluid immersion

Hydraulic oil, Lubrication oil, Freezing liquid and other solvents

how to order

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D38999/ 20 W B 35 P N

(1) (2) (3) (4) (5) (6) (7)

(1)：D38999—Series Prefix

(2)：shell style: 20-wall mounting receptacle

21-box mount receptacle, hermetic

23-jam nut receptacle, hermetic

24- jam nut receptacle

25-solder mount receptacle, hermetic

26- straight plug

27-weld mount receptacle, hermetic Lanyard Release Connectors

29-lanyard release plug with pin contacts

30-lanyard release plug with socket contacts

31-lanyard release plug for MIL-STD-1760 with pin contacts

(3)：finish W-Olive-drab cadmium plate

C- non-conductive, anodic coated aluminum

G-space grade, electroless nickel

K- corrosion resistant stainless steel,

L- corrosion resistant steel, electrodeposited nickel

E- Electroless nickel coating

(4)：Shell size :09-11-13-15-17-19-21-23-25

A- B- C- D –E – F -G- H- J

(5)：insert arrangement : Please see the figure of insert arrangement

(6)：Contact type :P-Normal crimp type pin

S-Normal crimp type socket

A-No or client appoint pin

B-no or client appoint socket

PH-solder type pin

SH-solder type

PC-short straight PCB termination pin

PC-long straight PCB termination pin

SC- short straight PCB termination socket

SC- long straight PCB termination socket

(7)：main key/keyway polarization: N- normal key；A,B,C,D

Note:When using PC,SC contacts,normal polarization must be mark.

Product Outline Dimensions

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▼D38999/26 plug

MIL-DTL-38999 series III circular electrical connector series Connectors Product Outline Dimensions

shell	shell code	A max	Thread B	C max
09	A	31.00	M12×1-6g	21.80
11	B	31.00	M15×1-6g	25.00
13	C	31.00	M18×1-6g	29.40
15	D	31.00	M22×1-6g	32.50
17	E	31.00	M25×1-6g	35.70
19	F	31.00	M28×1-6g	38.50
21	G	31.00	M31×1-6g	41.70
23	H	31.00	M34×1-6g	44.90
25	J	31.00	M37×1-6g	48.00

▼D38999/20 Flat flange receptacle

Shell NO.	Shell code	Amax	B max	C max	Thread D	E	F	G	H	J	d1min	d2min
09	A	20.90	10.60	2.50	M12×1-6g	23.80	18.26	15.09	3.25	5.49	16.66	13.11
11	B	20.90	10.60	2.50	M15×1-6g	26.20	20.62	18.26	3.25	4.93	20.22	15.88
13	C	20.90	10.60	2.50	M18×1-6g	28.60	23.01	20.62	3.25	4.93	23.42	19.05
15	D	20.90	10.60	2.50	M22×1-6g	31.00	24.61	23.01	3.25	4.39	26.59	23.01
17	E	20.90	10.60	2.50	M25×1-6g	33.30	26.97	24.61	3.25	4.93	30.96	25.81
19	F	20.90	10.60	2.50	M28×1-6g	36.50	29.36	26.97	3.25	4.93	32.94	28.98
21	G	20.10	11.40	3.20	M31×1-6g	39.70	31.75	29.36	3.25	4.93	36.12	32.16
23	H	20.10	11.40	3.20	M34×1-6g	42.90	34.93	31.75	3.91	6.15	39.29	34.93
25	J	20.10	11.40	3.20	M37×1-6g	46.00	38.10	34.93	3.91	6.15	42.47	37.69

▼D38999/24 Jam nut mounted receptacle

Shell NO.	Shell code	A	B max	C max	D max	E max	F	Thread G	d	p
09	A	16.53	9.90	3.20	30.50	24.00	27.00	M12×1-6g	17.78	17.02
11	B	19.07	9.90	3.20	35.20	27.00	31.80	M15×1-6g	20.96	19.59
13	C	23.82	9.90	3.20	38.40	32.00	34.90	M18×1-6g	25.65	24.26
15	D	26.97	9.90	3.20	41.60	36.00	38.10	M22×1-6g	28.83	27.56
17	E	30.15	9.90	3.20	44.80	37.00	41.30	M25×1-6g	32.01	30.73
19	F	33.32	9.90	3.20	49.50	41.00	46.00	M28×1-6g	35.18	33.91
21	G	36.50	9.90	3.20	52.70	46.00	49.20	M31×1-6g	38.35	37.08
23	H	39.67	9.90	3.20	55.90	50.00	52.40	M34×1-6g	41.53	40.26
25	J	42.85	9.90	3.20	59.00	51.23	55.60	M37×1-6g	44.70	43.43

Dimension of straight PCB terminal receptacle

To see P39 MIL-DTL-38999 series III printed circuit diagram

Mated and unmated dimension(D38999/20,D38999/26,D38999/24,D38999/26)

Receptacle interface view

Plug interface view

MIL-DTL-38999 series III circular electrical connector series Connectors Main key/Keyway

Note: When order for key A、B、C、D、E.Please contact to our company

Shell NO.	Shell code	Degree	N	A	B	C	D	E
09	A	A⁰ B⁰ C⁰ D⁰	105 140 215 265	102 132 248 320	80 118 230 312	35 140 205 275	64 155 234 304	91 131 197 240
11	B	A⁰ B⁰ C⁰ D⁰	95 14 208 236	113 156 182 292	90 145 195 252	53 156 220 255	119 146 176 298	51 141 184 242
13	C	A⁰ B⁰ C⁰ D⁰	95 141 208 236	113 156 182 292	90 145 195 252	53 156 220 255	119 146 176 298	51 141 184 242
15	D	A⁰ B⁰ C⁰ D⁰	95 141 208 236	113 156 182 292	90 145 195 252	53 156 220 255	119 146 176 298	51 141 184 242
17	E	A⁰ B⁰ C⁰ D⁰	80 142 196 293	135 170 200 310	49 169 200 244	66 140 200 257	62 145 180 280	79 153 197 272
19	F	A⁰ B⁰ C⁰ D⁰	80 142 196 293	135 170 200 310	49 169 200 244	66 140 200 257	62 145 180 280	79 153 197 272
21	G	A⁰ B⁰ C⁰ D⁰	80 142 196 293	135 170 200 310	49 169 200 244	66 140 200 257	62 145 180 280	79 153 197 272
23	H	A⁰ B⁰ C⁰ D⁰	80 142 196 293	135 170 200 310	49 169 200 244	66 140 200 257	62 145 180 280	79 153 197 272
25	J	A⁰ B⁰ C⁰ D⁰	80 142 196 293	135 170 200 310	49 169 200 244	49 169 200 257	62 145 180 280	79 153 197 272

Terminal Accessories

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Meet the US military standard:MIL-DTL-85049.
Order separately for accessories. Besides; we can supply the other special accessories according to the customer’s requirement.
M85049/15-S-11W
M85049/69-11AD
M85049/18-9W02A
M85049/21-9A02A
M85049/38-11W
M85049/39-11A
M85049/15-S-11W
How to order
     M85049/ 15    -S   11   W
           (1)      (2)   (3)   (4) (5)
(1)：M85049—Series Prefix
(2)：Rear shell type: 15—45°angle quick connect
(3)：Rear shell jam nut S-self-locking jam nut
                                       G-self-locking and grounding
(4)：shell size 09,11,13,15,17,19,21,23,25
(5)：Finishing: W-Olive-drab cadmium plate
                        N-Nickel
MIL-DTL-38999 series III circular electrical connector series Connectors Terminal Accessories
Shell NO.
Bmax
Cmax
Dmax
cable entry max
09
36.3
21.79
22.4
6.71
11
36.3
24.99
22.4
9.96
13
36.3
29.39
23.9
12.85
15
49.0
32.49
31.8
16.03
17
49.0
35.71
33.3
19.20
19
51.6
38.51
35.1
21.46
21
53.1
41.71
38.1
24.64
23
53.1
44.91
42.9
27.81
25
56.9
47.98
44.5
30.99
M85049/69-11AD
M85049/ 69   -11   A   D
     (1)      (2)   (3)   (4) (5)
(1)：M85049—Series Prefix
(2)：Rear shell type: 69—shrinking pipe adapter
(3)：shell size 09,11,13,15,17,19,21,23,25
(4)：Finishing: W-Olive-drab cadmium plate
                        N-Nickel
                        A-Anode,black color
(5)：Vent type Mull-with vent
                         D-with vent
MIL-DTL-38999 series III circular electrical connector series Connectors Terminal Accessories
Shell Code
ФA
max
ФB
max
ФC
max
09
19.05
6.35
13.54
11
21.59
9.35
15.37
13
25.40
12.70
19.66
15
29.21
15.88
21.29
17
31.75
19.05
24.46
19
35.56
20.62
26.47
21
39.37
23.80
30.91
23
41.91
26.97
34.42
25
46.99
30.18
36.65
M85049/18-9W02A
M85049/ 18   -9   W   02 A
       (1)    (2)   (3)  (4)  (5) (6)
(1)：M85049—Series Prefix
(2)：Rear shell type: 18—rear shield connect cable airproof clipper
(3)：shell size 09,11,13,15,17,19,21,23,25
(4)：Finishing: W-Olive-drab cadmium plate
                        N-Nickel
(5)：cable clipper code 01,02,03,04,05,06,07,08,09
(6)：blank (without special mark),A,B,C
Shell code
Cable clipper code
A
max
Min
max
09
01
02
19.1
11
01
03
21.6
13
02
04
25.4
15
02
05
29.2
17
02
06
31.8
19
03
07
35.6
21
03
08
39.4
23
03
09
41.9
25
04
10
47.0
MIL-DTL-38999 series III circular electrical connector series Connectors Terminal Accessories

Shell
length code
L
9～25
Normal( Blank）
38.1
9～25
A
63.5
15～25
B
88.9
21～25
C
114.3
Cable clipper code
Mated cable diameter
Y
max
X
max
min
max
01
1.57
3.18
20.3
31.75
02
3.18
6.35
25.4
03
6.35
9.53
27.9
04
9.53
12.70
30.5
05
12.70
15.88
31.8
34.29
06
15.88
19.05
35.6
34.93
07
19.05
22.23
38.1
38.10
08
22.23
25.40
41.9
41.28
09
25.40
28.58
44.5
10
28.58
31.75
48.3
M85049/21-9A02A
M85049/ 21   -9   A   02 A
   (1)       (2)    ③   ④ ⑤ ⑥
(1)：M85049—Series Prefix
(2)：Rear shell type: 21—straight cable clipper
(3)：shell size 09,11,13,15,17,19,21,23,25
(4)：Finishing: W-Olive-drab cadmium plate
                        N-Nickel
                        A-Anode,blank color
(5)：cable clipper code 01,02,03,04,05,06,07,08,09
(6)：blank (without special mark),A,B,C
Shell code
Cable clipper code
A
max
min
max
09
01
02
19.1
11
01
03
21.6
13
02
04
25.4
15
02
05
27.9
17
02
06
31.8
19
03
07
35.6
21
03
08
38.1
23
03
09
41.9
25
04
10
44.5
MIL-DTL-38999 series III circular electrical connector series Connectors Terminal Accessories
Cable clipper code
Mated cable diameter
Y
max
min
max
01
1.57
3.18
20.3
02
3.18
6.35
25.4
03
6.35
9.53
27.9
04
7.92
12.70
30.5
05
11.10
15.88
31.8
06
14.27
19.05
35.6
07
17.45
22.23
38.1
08
20.62
25.40
41.9
09
23.80
28.58
44.5
10
26.97
31.75
48.3

Shell code
length code
L
9～25
Normal（Blank）
38.1
9～25
A
63.5
15～25
B
88.9
21～25
C
114.3
M85049/38-11W
M85049/ 38    -   11   W
       (1)    (2)   (3)  (4)  (5)
(1)：M85049—Series Prefix
(2)：Rear shell type: 38—straight cable clipper
(3)：Rear shell jam nut blank-Non-locking jam nut
                                      S-self-locking jam nut
(4)：shell size 09,11,13,15,17,19,21,23,25
(5)：Finishing: W-Olive-drab cadmium plate
                       N-Nickel
                        A-Anode,black color
                       S-corrosion resistant steel,passivated
MIL-DTL-38999 series III circular electrical connector series Connectors Terminal Accessories

Shell code
Amax
Cmax
Dmax
Fmax
Mated cable diameter E
min
max
09
23.1
27.9
21.6
21.79
2.49
5.94
11
23.1
27.9
22.9
24.99
3.89
5.94
13
25.7
30.5
27.9
29.39
4.83
8.33
15
26.9
31.8
29.2
32.49
6.60
11.61
17
29.5
34.3
33.0
35.71
7.19
15.60
19
35.8
40.6
38.1
38.51
8.26
16.10
21
38.4
43.2
40.6
41.71
8.71
17.73
23
42.2
47.0
43.2
44.91
9.68
20.90
25
44.7
49.5
45.7
47.98
10.62
21.67
M85049/39-11A
M85049/ 39    -   11   A
     (1)      (2)   (3)  (4)  (5)
(1)：M85049—Series Prefix
(2)：Rear shell type: 39—Right angular cable clipper
(3)：Rear shell jam nut -blank-Non-locking jam nut
                                     S-self-locking jam nut
(4)：shell size 09,11,13,15,17,19,21,23,25
(5)：Finishing: W-Olive-drab cadmium plate
                        N-Nickel
                        A-Anode,black color
                        S-corrosion resistant steel,passivated
MIL-DTL-38999 series III circular electrical connector series Connectors Terminal Accessories
Shell code
A max
B max
Mated cable diameter C
D max
E max
F max
G max
H
min
max
09
25.70
30.50
2.49
5.94
21.79
35.10
25.40
21.60
12.70
11
25.70
30.50
3.89
5.94
24.99
36.90
27.90
22.90
12.70
13
30.70
35.60
4.83
8.33
29.39
40.60
27.90
27.90
15.88
15
32.00
36.80
6.60
11.61
32.49
45.70
31.80
29.20
19.05
17
35.80
40.60
7.19
15.60
35.71
49.00
33.00
33.00
19.05
19
38.40
43.20
8.26
16.10
38.51
52.10
34.30
38.10
19.05
21
42.20
47.00
8.71
17.73
41.71
59.70
40.60
40.60
22.23
23
44.70
49.50
9.68
20.90
44.91
65.50
44.50
43.20
25.40
25
48.50
53.30
10.62
21.67
47.98
69.30
47.00
45.70
28.58

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