MIL-C-38999 Series III

Part Number Explanation: D38999/20 F 35 P N 
Below are the explanations for each or the coloured sections of the part number.

Shell Style
Code Description Available in Class
D38999/20 Wall mount receptacle F, G, J, K, M, S, W
D38999/21 Hermetic seal box mount receptacle H, N, Y
D38999/23 Hermetic seal jam nut receptacle H, N, Y
D38999/24 Jam nut receptacle F, G, J, K, M, S, W
D38999/25 Hermetic seal solder mount receptacle H, N, Y
D38999/26 Straight plug, self locking F, G, J, K, M, S, W
D38999/27 Hermetic seal weld mount receptacle H, N, Y

Class

Code Description Material Finish Temp.

C*

Environmental Aluminum
Non-conductive anodize 200° C

F 

Environmental Aluminum
Electroless nickel 200° C
G Environmental, space grade Aluminum
Electroless nickel 200° C
H Hermetic, space grade Stainless Steel Electroless nickel 200° C
J Environmental Composite Cadmium olive drab 175° C
K Environmental Firewall Stainless Steel Passivated 200° C
M Environmental Composite Electroless nickel 200° C
N Hermetic Stainless Steel Electro deposited nickel 200° C
S Environmental Stainless Steel Electro deposited nickel 200° C
W Environmental Aluminum
Cadmium olive drab 175° C
Y Hermetic Stainless Steel Electroless nickel 200° C
* No Class C connectors in MIL-C-38999 Series III as of publication date.

Shell Size

The letters A to J must be use for the Military part number.
These correspond to shell sizes 9 to 25 as follows:

 

A    B  C  D  E  F  G  H  J
9 11  13  15  17  19  21  23  25

 

(There is no shell size i)

pdf MIL-C-38999 Insert Configurations 87.68 Kb

Contact Style
A
 - Connector less pin contacts.
B - Connector less socket contacts.
H - Pin contacts, 1500 cycles.
J - Socket contacts, 1500 cycles.
P - Pin contacts, 500 cycles (crimp and hermetic with solder cups).
S - Socket contacts, 500 cycles (crimp and hermetic with solder cups).
X - Pin with eyelet (hermetic only).
Z - Socket with eyelet (hermetic only).
N.B. All shell types, receptacles and plugs, are available with either male pins or female socket contacts

Polarization
Blank
- Normal
pdf MIL-C-38999 Rotations 53.38 Kb