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GJB599 Series (MIL-C-38999) Ⅲ circular fire-proof electrical connectors class K and S Connector
Triple start, self-locking, threaded coupling quickly and with the structure to protect from disengage,with stainless steel and fire-proof shell, Scoop-proof,EMI/RFI shielding, strong fire-proof.
GJB599 Series (MIL-C-38999) Ⅲ circular fire-proof electrical connectors class K and S GJB599 Series (MIL-C-38999) Ⅲ circular fire-proof electrical connectors class K and S
Brief introductionGJB599 Series (MIL-C-38999) Ⅲ circular fire-proof electrical connectors class K and S GJB599 Series (MIL-C-38999) Ⅲ circular fire-proof electrical connectors class K and S top ↑
GJB599 Series (MIL-C-38999) Ⅲ circular fire-proof electrical connectors class K and S GJB599 Series (MIL-C-38999) Ⅲ circular fire-proof electrical connectors class K and S
 —High density miniature circular electrical connector, including from one contact to128 contacts
 —Contact codes including #22D?#20?#16?#12?#16coaxial and  #8 tri-coaxial;
   Threaded coupling, releasing-proof
 —scoop-proof, 100% lighter than aluminum shell
 — Shock-proof and vibration-proof 
 — Fire-proof:The lowest temperature 1093?
 GJB599 Series (MIL-C-38999) Ⅲ circular fire-proof electrical connectors class K and S  Connectors Brief introduction
? Apply widely in aviation, space and military systems, especially in fire-proof environment.
Meet the US military standard: GJB599series ?
GJB599 Series (MIL-C-38999) Ⅲ circular fire-proof electrical connectors class K and S GJB599 Series (MIL-C-38999) Ⅲ circular fire-proof electrical connectors class K and S
specificationGJB599 Series (MIL-C-38999) Ⅲ circular fire-proof electrical connectors class K and S GJB599 Series (MIL-C-38999) Ⅲ circular fire-proof electrical connectors class K and S top ↑
GJB599 Series (MIL-C-38999) Ⅲ circular fire-proof electrical connectors class K and S GJB599 Series (MIL-C-38999) Ⅲ circular fire-proof electrical connectors class K and S
Mechanical characteristics
— Shell: Aluminum alloy
  Finishing:Nickel(S) passivation(K)  
— Insert interface:plastic
— Gasket:Silicon rubber elastomer— contact:copper alloy
   Finishing :Nickel plate followed by—gold plate
— Life :500 cycles
— shock:  2940m/s2   3ms
—shock:  
   Sine: 254 m/s2  10~50Hz;  588 m/s2 
140~2000Hz  
  Random: 96(m/s2 )2/ Hz,408 m/s2,
100~1000Hz  at  high temperature 
  Random: 480(m/s2)2/ Hz,100~300Hz at ambient
— Contact retention force(min):   #22D:45N    #16:111N    #8:111N
Electrical characteristics
— (Vrms):
Ratings
Sea level
21000m
M
N
?
?
1300
1000
1800
2300
800
600
1000
1000
contact resistance:
#22D:14.6mO    #20:7.3mO
#16:3.8mO     #12:1.7mO
— insulate resistance:=5000MO(500V  DC)
— contact current ratings:
#22D:5A     #20:7.5A   
#16:13A     #12:23A
— Shielding:
S(Nickel):1 mV    K(passivation):10 mV
— Shielding:  
100MHz  90dB(S)   80 dB(K)
1GHz   85dB(S)    65 dB(K)
10GHz  65dB(S)    45 dB(K)
— #8tri-coaxial contacts:
Frequency width:0~20 MHz
Voltage ratings:500V  AC max
125V  AC At 21000m level voltage dropped
Inner and middle contact :=55mV at 1A
External contact:=75mV  at 12A
Environmental characteristics
— Temperature ranges:
Nickel:-65?~+200?
Passivation:-65?~+200?
— Low altitude:
-65?min,1.06kPa min
Salt spray:48h
— Temperature shock: For 24h hours ,10cycles
  lowest temperature:1093?   20min
GJB599 Series (MIL-C-38999) Ⅲ circular fire-proof electrical connectors class K and S GJB599 Series (MIL-C-38999) Ⅲ circular fire-proof electrical connectors class K and S
Main key/KeywayGJB599 Series (MIL-C-38999) Ⅲ circular fire-proof electrical connectors class K and S GJB599 Series (MIL-C-38999) Ⅲ circular fire-proof electrical connectors class K and S top ↑
GJB599 Series (MIL-C-38999) Ⅲ circular fire-proof electrical connectors class K and S GJB599 Series (MIL-C-38999) Ⅲ circular fire-proof electrical connectors class K and S
Receptacle interface view
Plug interface view
GJB599 Series (MIL-C-38999) Ⅲ circular fire-proof electrical connectors class K and S  Connectors Main key/KeywayGJB599 Series (MIL-C-38999) Ⅲ circular fire-proof electrical connectors class K and S  Connectors Main key/Keyway
   Note: When order for key A?B?C?D?E. Please contact to our company
GJB599 Series (MIL-C-38999) Ⅲ circular fire-proof electrical connectors class K and S  Connectors Main key/Keyway

  contact arrangement(plug interface view)       
GJB599 Series (MIL-C-38999) Ⅲ circular fire-proof electrical connectors class K and S  Connectors Main key/Keyway
Fishing

Fishing mark
Fishing
Salt spray
A
Black anticathode
48h
B
Cadmium
48h
N
Nickel coating
48h
W
Nickel plate followed by olive- drab cadmium plate
500h
S
Corrosion-resistant steel, passivated
1000h

Remark: Space grade accessory must be Nickel coating

GJB599 Series (MIL-C-38999) Ⅲ circular fire-proof electrical connectors class K and S GJB599 Series (MIL-C-38999) Ⅲ circular fire-proof electrical connectors class K and S
IdentificationGJB599 Series (MIL-C-38999) Ⅲ circular fire-proof electrical connectors class K and S GJB599 Series (MIL-C-38999) Ⅲ circular fire-proof electrical connectors class K and S top ↑
GJB599 Series (MIL-C-38999) Ⅲ circular fire-proof electrical connectors class K and S GJB599 Series (MIL-C-38999) Ⅲ circular fire-proof electrical connectors class K and S

GJB599 Series (MIL-C-38999) Ⅲ circular fire-proof electrical connectors class K and S  Connectors Identification

GJB599 Series (MIL-C-38999) Ⅲ circular fire-proof electrical connectors class K and S GJB599 Series (MIL-C-38999) Ⅲ circular fire-proof electrical connectors class K and S
Contact ArrangementsGJB599 Series (MIL-C-38999) Ⅲ circular fire-proof electrical connectors class K and S GJB599 Series (MIL-C-38999) Ⅲ circular fire-proof electrical connectors class K and S top ↑
GJB599 Series (MIL-C-38999) Ⅲ circular fire-proof electrical connectors class K and S GJB599 Series (MIL-C-38999) Ⅲ circular fire-proof electrical connectors class K and S

Contact arrangement( Plug interface view)                                                       
GJB599 Series (MIL-C-38999) Ⅲ circular fire-proof electrical connectors class K and S  Connectors Contact Arrangements

GJB599 Series (MIL-C-38999) Ⅲ circular fire-proof electrical connectors class K and S GJB599 Series (MIL-C-38999) Ⅲ circular fire-proof electrical connectors class K and S
Terminal AccessoriesGJB599 Series (MIL-C-38999) Ⅲ circular fire-proof electrical connectors class K and S GJB599 Series (MIL-C-38999) Ⅲ circular fire-proof electrical connectors class K and S top ↑
GJB599 Series (MIL-C-38999) Ⅲ circular fire-proof electrical connectors class K and S GJB599 Series (MIL-C-38999) Ⅲ circular fire-proof electrical connectors class K and S  

 Comply with the requirement of GJB1784 Brief introduction specification of connector accessory.
Accessories are ordered separately, Additionally, accessories can be provided to meet your special requirements.
J1784/15-S-11W
J1784/69-11AD
J1784/18-9W02A
J1784/21-9A02A
J1784/38-11W
J1784/39-11A
J1784/15-S-11W
GJB599 Series (MIL-C-38999) Ⅲ circular fire-proof electrical connectors class K and S  Connectors Terminal AccessoriesGJB599 Series (MIL-C-38999) Ⅲ circular fire-proof electrical connectors class K and S  Connectors Terminal Accessories
Shell no.
Bmax
Cmax
Dmax
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
J1784/69-11AD
GJB599 Series (MIL-C-38999) Ⅲ circular fire-proof electrical connectors class K and S  Connectors Terminal Accessories
GJB599 Series (MIL-C-38999) Ⅲ circular fire-proof electrical connectors class K and S  Connectors Terminal Accessories
Shell no.
?A
max
?B
max
?C
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
J1784/18-9W02A
GJB599 Series (MIL-C-38999) Ⅲ circular fire-proof electrical connectors class K and S  Connectors Terminal Accessories
Table 1
Shell no.
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
Table 2
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
J1784/21-9A02A
GJB599 Series (MIL-C-38999) Ⅲ circular fire-proof electrical connectors class K and S  Connectors Terminal Accessories
Table 1
Shell no.
Cable clipper no
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
 
GJB599 Series (MIL-C-38999) Ⅲ circular fire-proof electrical connectors class K and S  Connectors Terminal Accessories
Table 2
Cable clipper no
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
Table 3
Shell no.
Length code
L
9~25
standard(no remark)
38.1
9~25
A
63.5
15~25
B
88.9
21~25
C
114.3
 
J1784/38-11W
GJB599 Series (MIL-C-38999) Ⅲ circular fire-proof electrical connectors class K and S  Connectors Terminal Accessories
GJB599 Series (MIL-C-38999) Ⅲ circular fire-proof electrical connectors class K and S  Connectors Terminal Accessories
Shell no
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
J1784/39-11A
GJB599 Series (MIL-C-38999) Ⅲ circular fire-proof electrical connectors class K and S  Connectors Terminal Accessories
GJB599 Series (MIL-C-38999) Ⅲ circular fire-proof electrical connectors class K and S  Connectors Terminal Accessories
Shell no
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

GJB599 Series (MIL-C-38999) Ⅲ circular fire-proof electrical connectors class K and S GJB599 Series (MIL-C-38999) Ⅲ circular fire-proof electrical connectors class K and S
Product FamilyGJB599 Series (MIL-C-38999) Ⅲ circular fire-proof electrical connectors class K and S GJB599 Series (MIL-C-38999) Ⅲ circular fire-proof electrical connectors class K and S top ↑
GJB599 Series (MIL-C-38999) Ⅲ circular fire-proof electrical connectors class K and S GJB599 Series (MIL-C-38999) Ⅲ circular fire-proof electrical connectors class K and S GJB599 Series (MIL-C-38999) Ⅲ circular fire-proof electrical connectors class K and S GJB599 Series (MIL-C-38999) Ⅲ circular fire-proof electrical connectors class K and S