Categories
D38999 III Series Part Number Breakdown
D38999 connector part numbers are composed of six sections in addition to the D38999 prefix:
Shell Type,Insert Arrangement,Material and Finish,Contact Type,Shell Size,Keying Position
The meaning of the codes in each section is explained below.
Jan 9th,2024
1221 Views
Shell Type: 
| Series III |
Shell Type Description |
 |
D38999/20 |
Receptacle, Wall Mount Flange |
 |
D38999/24 |
Receptacle, Jam Nut Mount |
 |
D38999/26 |
Plug, EMI Grounding Fingers |
Material and Finish: 
| Code |
Image |
Material |
Finish |
| F |
 |
Aluminum |
Electroless Nickel Plated (48-hr. Salt Spray) |
| G |
 |
Aluminum |
Space-Grade Electroless Nickel (48-hr. Salt Spray) |
| H |
|
Hermetic |
Space Grade |
| J |
 |
Composite |
Olive Drab Cadmium (2000-hr. Salt Spray) |
| K |
 |
Stainless Steel |
Corrosion-Resistant Stainless Steel - Firewall (500-hr. Salt Spray) |
| L |
|
Stainless Steel |
Electrodeposited Nickel (48-hr. Salt Spray) |
| M |
 |
Composite |
Electroless Nickel Plated (2000-hr. Salt Spray) |
| N |
|
Hermetic |
Stainless Steel, Nickel Plated |
| S |
 |
Stainless Steel |
Nickel Plated (500-hr. Salt Spray) |
| T |
 |
Aluminum |
Nickel PTFE (500-hr. Salt Spray) |
| W |
 |
Aluminum |
Olive Drab Cadmium (500-hr. Salt Spray) |
| Y |
 |
Hermetic |
Stainless Steel, Passivated |
| Z |
 |
Aluminum |
Black Zinc Nickel (500-hr. Salt Spray) |
Common Finish
Shell Size:
D38999 connector shell sizes: A, B, C, D, E, F, G, H ,J

Insert Arrangement:






Contact Type:
| P |
Crimp pin
|
| S |
Crimp socket
|
| PL |
Long PCB pin
|
| PC |
Short PCB pin
|
| SL |
Long PCB socket
|
| SC |
Short PCB socket
|
Keying Position:
There are six distinct keying positions available for each shell size in the D38999 series of connectors: N, A, B, C, D and E. The keying position is indicated by the last letter in the part number. A plug will only mate with a receptacle with the same keying code.
