The Connector,receptacle,electrical, cataloged under National Stock Number 5935-00-491-2991, is classified within Federal Supply Class 5935 (Connectors, Electrical) of the Electrical and Electronic Equipment Components group. Government technical data includes 28 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 9 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5935-00-491-2991 |
| Item Name | Connector,receptacle,electrical |
| FSC / FSG | 5935 / 59 — Connectors, Electrical |
| Status | ACTIVE |
| Contact Maximum Current Rating in Amps | 46.0 SINGLE MATING END SECOND CONTACT GROUPING |
| Contact Maximum Current Rating in Amps | 80.0 SINGLE MATING END FIRST CONTACT GROUPING |
| Shell Type | SOLID |
| Body Style | RECTANGULAR SHAPE |
| Terminal Type | SOLDER WELL SINGLE MATING END ALL CONTACT GROUPINGS |
| Contact Material | COPPER ALLOY SINGLE MATING END ALL CONTACT GROUPINGS |
| Center to Center Distance Between Mounting Facilities Parallel to Length | 2.057 INCHES MINIMUM AND 2.067 INCHES MAXIMUM IN |
| Mating End Quantity | 1 |
| Precious Material | GOLD AND SILVER |
| Contact Position Arrangement Style | 4 SINGLE MATING END |
| Shell Surface Treatment | CADMIUM |
| Unthreaded Mounting Hole Diameter | 0.115 INCHES MINIMUM AND 0.125 INCHES MAXIMUM IN |
| Insert Material Document and Classification | MIL-M-14,TYPE MDG MIL SPEC SINGLE MATERIAL RESPONSE SINGLE MATING END |
| Precious Material and Weight | 0.020 GOLD GRAINS, TROY AND 0.020 SILVER GRAINS, TROY |
| Terminal Location | BACK SINGLE MATING END ALL CONTACT GROUPINGS |
| Included Contact Quantity | 2 SINGLE MATING END SECOND CONTACT GROUPING |
| Included Contact Quantity | 2 SINGLE MATING END FIRST CONTACT GROUPING |
| Shell Surface Treatment Document and Classification | QQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE |
| Specification/standard Data | 81349-MIL-C-21617 GOVERNMENT SPECIFICATION |
| Included Contact Type | ROUND PIN SINGLE MATING END ALL CONTACT GROUPINGS |
| Distance Between Centerlines of Mounting Facilities Parallel to Body Width | 0.745 INCHES MINIMUM AND 0.755 INCHES MAXIMUM IN |
| Polarization Method | MATING END |
| Environmental Protection | MOISTURE PROOF AND SALT WATER RESISTANT AND VIBRATION RESISTANT |
| Precious Material and Location | CONTACT SURFACES GOLD AND CONTACT SURFACE SILVER |
| Contact Removability | NONREMOVABLE SINGLE MATING END ALL CONTACT GROUPINGS |
| Test Data Document | 81349-MIL-C-21617 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.). |
| Contact Surface Treatment | GOLD AND SILVER SINGLE MATING END ALL CONTACT GROUPINGS |
| Shell Material | ALUMINUM ALLOY |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| JM004A | 2/2 Government specification standardization U.S. Government activity |
| MIL-C-21617 | 4/1 Identification reference U.S. Government activity |
| 10-313084-04P | C/1 Advisory reference — outside the item-of-supply concept Amphenol Corp Div Amphenol Aerospace Operations |
NSN 5935-00-491-2991 is a Connector,receptacle,electrical, classified under FSC 5935, Connectors, Electrical. Status: active.
9 possible matches (shared part number, not a government interchangeability claim): 5935-00-758-4643, 5935-00-761-6649, 5935-00-766-8055. Verify interchangeability with system specifications before substitution.
Key specifications for 5935-00-491-2991: Contact Maximum Current Rating in Amps: 46.0 SINGLE MATING END SECOND CONTACT GROUPING; Contact Maximum Current Rating in Amps: 80.0 SINGLE MATING END FIRST CONTACT GROUPING; Shell Type: SOLID; Body Style: RECTANGULAR SHAPE. 28 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.