The Connector,receptacle,electrical, cataloged under National Stock Number 5935-01-388-7523, is classified within Federal Supply Class 5935 (Connectors, Electrical) of the Electrical and Electronic Equipment Components group. Government technical data includes 27 specifications, cited from the U.S. Government catalog. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5935-01-388-7523 |
| Item Name | Connector,receptacle,electrical |
| FSC / FSG | 5935 / 59 — Connectors, Electrical |
| Status | ACTIVE |
| Connector Locking Method | EXTERNALLY THREADED COUPLING RING |
| Shell Type | SOLID |
| Body Style | STRAIGHT SHAPE, EXTERNAL COUPLING |
| Terminal Type | CRIMP AND SOLDER SINGLE MATING END SINGLE CONTACT GROUPING |
| Contact Material | COPPER ALLOY SINGLE MATING END SINGLE CONTACT GROUPING |
| Mating End Quantity | 1 |
| Precious Material | GOLD |
| Contact Position Arrangement Style | 13-98 SINGLE MATING END |
| Supplementary Features | MOUNTING METHOD - FLANGE AND UNTHREADED HOLE |
| Unthreaded Mounting Hole Diameter | 3.05 MILLIMETERS MINIMUM AND 3.45 MILLIMETERS MAXIMUM MM |
| Terminal Location | BACK SINGLE MATING END SINGLE CONTACT GROUPING |
| Center to Center Distance Between Mounting Facilities Parallel to Height | 21.82 MILLIMETERS NOMINAL MM |
| Included Contact Quantity | 10 SINGLE MATING END SINGLE CONTACT GROUPING |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.875 MILLIMETERS MM |
| Specification/standard Data | 81349-D38999/21 GOVERNMENT SPECIFICATION |
| Operating Temp Rating | -65.0 CELSIUS MINIMUM AND 200.0 CELSIUS MAXIMUM DEGC |
| Included Contact Type | ROUND PIN SINGLE MATING END SINGLE CONTACT GROUPING |
| Distance Between Centerlines of Mounting Facilities Parallel to Body Width | 21.815 MILLIMETERS NOMINAL MM |
| Contact Surface Treatment Document and Classification | MIL-G-45204 MIL SPEC SINGLE TREATMENT RESPONSE SINGLE MATING END SINGLE CONTACT GROUPING |
| Environmental Protection | MOISTURE PROOF AND SALT WATER RESISTANT AND VIBRATION PROOF AND CORROSION RESISTANT AND DUST RESISTANT AND FUEL RESISTANT AND FUNGUS RESISTANT AND HUMIDITY RESISTANT AND OIL RESISTANT AND SHOCK RESISTANT AND THERMAL SHOCK RESISTANT AND VIBRATION RESISTANT |
| Precious Material and Location | CONTACT SURFACES GOLD |
| Distance From Mounting Shoulder to Front Face | 21.400 MILLIMETERS NOMINAL MM |
| Contact Removability | REMOVABLE SINGLE MATING END SINGLE CONTACT GROUPING |
| Thread Class | 2B |
| Test Data Document | 81349-D0D-C-38999/21 STANDARD (INCLUDES INDUSTRY OR ASSOCIATION STANDARDS, INDIVIDUAL MANUFACTUREER STANDARDS, ETC.). |
| Contact Surface Treatment | GOLD SINGLE MATING END SINGLE 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 |
| Reference | Meaning |
|---|---|
| DOD-C-38999/21 | 5/9 Secondary reference U.S. Government activity |
| D38999/21YC98PN | 2/2 Government specification standardization U.S. Government activity |
| D38999/21YC98PN | 5/9 Secondary reference U.S. Government activity |
| MIL-DTL-38999/21 | 4/1 Identification reference U.S. Government activity |
NSN 5935-01-388-7523 is a Connector,receptacle,electrical, classified under FSC 5935, Connectors, Electrical. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 5935-01-412-9212. Verify interchangeability with system specifications before substitution.
Key specifications for 5935-01-388-7523: Overall Height: 28.3 MILLIMETERS MINIMUM AND 28.9 MILLIMETERS MAXIMUM MM; Connector Locking Method: EXTERNALLY THREADED COUPLING RING; Shell Type: SOLID; Body Style: STRAIGHT SHAPE, EXTERNAL COUPLING. 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.