MIL-SPEC Cross-Reference
Military Part
M38999/40 (Series IV)
Commercial Equivalent
38999 Series IV (Micro-D) Circular Connector
Drop-inMIL-DTL-38999 Series IVAmphenol Aerospace
Cross-Reference Details
| Military Part | M38999/40 (Series IV) |
| Specification | MIL-DTL-38999 Series IV |
| Commercial Equivalent | 38999 Series IV (Micro-D) Circular Connector |
| Manufacturer | Amphenol Aerospace |
| Compatibility | Drop-in |
Technical Notes
Miniature, high-density, bayonet coupling. Commercial Micro-D versions exist but must meet shell size, insert, and environmental specs. Often used in space-constrained applications.
More Cross-References — MIL-DTL-38999 Series IV
M38999/40→38999 Series IV Jam Nut Receptacle
Souriau · Drop-in
M38999/27→38999 Series IV (Composite) Connector
Amphenol Aerospace · Drop-in
M38999/26-000→38999 IV-26-000
Glenair · Drop-in
M38999/40→Nano-Change Connector
Radiall · Drop-in
M38999/24→38999 Series IV Receptacle
Souriau (Eaton) · Drop-in
M38999/40→38999 Series IV Plug
Glenair · Drop-in
M38999/34→38999 Series IV (K Series III) Connector
Amphenol Aerospace · Drop-in
M38999/40→G Series (Micro-D with shell)
Glenair · Functional
M38999/27→38999 Series IV Receptacle, Shell Size 15
Radiall · Drop-in
M38999/40→38999 Series IV, Style G
Radiall · Functional