The Connector,receptacle,electrical, cataloged under National Stock Number 5935-01-366-6867, 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 27 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government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 | 5935-01-366-6867 |
| Primary Part Number | M81659/66A20001 |
| 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 SINGLE CONTACT GROUPING |
| Contact Material | COPPER ALLOY SINGLE MATING END SINGLE CONTACT GROUPING |
| Mating End Quantity | 1 |
| Precious Material | GOLD |
| Guide Design and Location | D SHAPE SOCKET LEFT-HAND AND D SHAPE SOCKET CENTER AND D SHAPE SOCKET RIGHT-HAND AT 12:00 OCLOCK |
| Contact Position Arrangement Style | 26 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 | 0.026 GOLD GRAINS, TROY |
| Terminal Location | BACK SINGLE MATING END SINGLE CONTACT GROUPING |
| Center to Center Distance Between Mounting Facilities Parallel to Height | 1.720 INCHES NOMINAL IN |
| Included Contact Quantity | 26 SINGLE MATING END SINGLE CONTACT GROUPING |
| Specification/standard Data | 81349-MIL-C-81659/66 GOVERNMENT SPECIFICATION |
| Included Contact Type | ROUND PIN SINGLE MATING END SINGLE CONTACT GROUPING |
| Distance Between Centerlines of Mounting Facilities Parallel to Body Width | 0.7185 INCHES NOMINAL IN |
| Polarization Method | GUIDE PIN/SOCKET |
| Contact Surface Treatment Document and Classification | MIL-G-45204,TY 2,GRADE C,CL 1 MIL SPEC SINGLE TREATMENT RESPONSE SINGLE MATING END SINGLE CONTACT GROUPING |
| Environmental Protection | HUMIDITY RESISTANT AND SALT WATER RESISTANT AND SHOCK RESISTANT AND THERMAL SHOCK RESISTANT AND VIBRATION RESISTANT |
| Precious Material and Location | CONTACT SURFACES GOLD |
| Contact Removability | REMOVABLE SINGLE MATING END SINGLE CONTACT GROUPING |
| Test Data Document | 81349-MIL-C-81659 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 SINGLE MATING END SINGLE CONTACT GROUPING |
| Insert Material | PLASTIC DIALLYL PHTHALATE GLASS FILLED OR PLASTIC EPOXY OR PLASTIC PHENOLIC SINGLE MATING END |
| 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 |
| Part Number | Manufacturer |
|---|---|
| M81659/66A20001 PRIMARY | Sae International Dba Sae International (USA) |
| Reference | Meaning |
|---|---|
| MIL-C-81659/66 | 5/9 Secondary reference U.S. Government activity |
| SAE-AS81659/66 | 3/1 Design control — primary reference Sae International Dba Sae International |
| M81659/66A2-0001 | 5/9 Secondary reference U.S. Government activity |
NSN 5935-01-366-6867 is a Connector,receptacle,electrical, manufactured by Sae International Dba Sae International, classified under FSC 5935, Connectors, Electrical. Status: active.
NSN 5935-01-366-6867 has 1 manufacturer part number on file: M81659/66A20001 (Sae International Dba Sae International).
3 possible matches (shared part number, not a government interchangeability claim): 5935-01-367-7968, 5935-01-380-0119, 5935-01-381-4189. Verify interchangeability with system specifications before substitution.
Key specifications for M81659/66A20001: Overall Height: 2.027 INCHES NOMINAL IN; Connector Locking Method: FRICTION; Shell Type: SOLID; Body Style: STRAIGHT SHAPE, FLUSH MOUNT. 27 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.