The Connector,receptacle,electrical, cataloged under National Stock Number 5935-01-381-4189, is classified within Federal Supply Class 5935 (Connectors, Electrical) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Sae International Dba Sae International. Government technical data includes 26 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5935-01-381-4189 |
| Primary Part Number | M81659/66A20149 |
| Item Name | Connector,receptacle,electrical |
| FSC / FSG | 5935 / 59 — Connectors, Electrical |
| Manufacturer | Sae International Dba Sae International |
| Status | ACTIVE |
| Connector Locking Method | FRICTION |
| Shell Type | SOLID |
| Body Style | STRAIGHT SHAPE, FLUSH MOUNT |
| Terminal Type | CRIMP SINGLE MATING END SECOND CONTACT GROUPING |
| Terminal Type | CRIMP SINGLE MATING END FIRST CONTACT GROUPING |
| Terminal Type | CRIMP SINGLE MATING END ALL CONTACT GROUPINGS |
| Contact Material | COPPER ALLOY SINGLE MATING END SECOND CONTACT GROUPING |
| Contact Material | COPPER ALLOY SINGLE MATING END FIRST CONTACT GROUPING |
| Mating End Quantity | 1 |
| Precious Material | GOLD |
| Contact Position Arrangement Style | 32C4 SINGLE MATING END |
| Shell Surface Treatment | CADMIUM AND CHROMATE |
| Unthreaded Mounting Hole Diameter | 0.118 INCHES MINIMUM AND 0.122 INCHES MAXIMUM IN |
| Precious Material and Weight | 0.028 GOLD GRAINS, TROY |
| Terminal Location | BACK SINGLE MATING END FIRST CONTACT GROUPING |
| Terminal Location | BACK SINGLE MATING END SECOND CONTACT GROUPING |
| Center to Center Distance Between Mounting Facilities Parallel to Height | 1.720 INCHES NOMINAL IN |
| Included Contact Quantity | 24 SINGLE MATING END SECOND CONTACT GROUPING |
| Included Contact Quantity | 4 SINGLE MATING END FIRST CONTACT GROUPING |
| Specification/standard Data | 81349-MIL-C-81659/66 GOVERNMENT SPECIFICATION |
| Included Contact Type | ROUND PIN SINGLE MATING END FIRST CONTACT GROUPING |
| Included Contact Type | ROUND PIN SINGLE MATING END SECOND CONTACT GROUPING |
| Distance Between Centerlines of Mounting Facilities Parallel to Body Width | 1.437 INCHES NOMINAL IN |
| Precious Material and Location | CONTACT SURFACES GOLD |
| Distance From Mounting Shoulder to Front Face | 0.055 INCHES MINIMUM AND 0.065 INCHES MAXIMUM IN |
| Contact Removability | REMOVABLE SINGLE MATING END SECOND CONTACT GROUPING |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| M81659/66A20149 PRIMARY | Sae International Dba Sae International (USA) |
| Reference | Meaning |
|---|---|
| SAE-AS81659/66 | 3/1 Design control — primary reference Sae International Dba Sae International |
| MIL-C-81659/66 | 5/9 Secondary reference U.S. Government activity |
| M81659/66A2-0149 | 5/9 Secondary reference U.S. Government activity |
NSN 5935-01-381-4189 is a Connector,receptacle,electrical, manufactured by Sae International Dba Sae International, classified under FSC 5935, Connectors, Electrical. Status: active.
NSN 5935-01-381-4189 has 1 manufacturer part number on file: M81659/66A20149 (Sae International Dba Sae International).
Key specifications for M81659/66A20149: Overall Height: 1.997 INCHES MINIMUM AND 2.027 INCHES MAXIMUM IN; Connector Locking Method: FRICTION; Shell Type: SOLID; Body Style: STRAIGHT SHAPE, FLUSH MOUNT. 26 specifications are documented in the U.S. Government catalog.
Possible hazard — SDS may be required (DLA HMIC P). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.