The Adapter,connector, cataloged under National Stock Number 5935-00-643-6693, 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27 specifications, cited from the U.S. Government catalog. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5935-00-643-6693 |
| Item Name | Adapter,connector |
| FSC / FSG | 5935 / 59 — Connectors, Electrical |
| Status | ACTIVE |
| Connector Locking Method | INTERNALLY THREADED COUPLING RING AND EXTERNALLY THREADED SHELL |
| Shell Type | SOLID |
| Body Style | ANGLE SHAPE, EXTERNAL/INTERNAL COUPLING |
| Mating End Quantity | 2 |
| Precious Material | SILVER |
| Shell Surface Treatment | SILVER |
| Insert Position in Deg | 0.0 |
| Contact Maximum Frequency Rating | 500.0 MEGAHERTZ ALL MATING ENDS SINGLE CONTACT GROUPING |
| Precious Material and Weight | 0.120 SILVER GRAINS, TROY |
| Included Contact Quantity | 2 ALL MATING ENDS SINGLE CONTACT GROUPING |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.750 INCHES IN |
| Specification/standard Data | 81349-MIL-C-3655/5 GOVERNMENT SPECIFICATION |
| Included Contact Type | ROUND SOCKET SECOND MATING END SINGLE CONTACT GROUPING |
| Included Contact Type | ROUND PIN FIRST MATING END SINGLE CONTACT GROUPING |
| Contact Maximum AC Voltage Rating in Volts | 500.0 ALL MATING ENDS SINGLE CONTACT GROUPING |
| Polarization Method | KEYWAY OR MULTIPLE KEYWAY |
| Environmental Protection | SALT WATER RESISTANT |
| Precious Material and Location | CONTACT AND SHELL SURFACES SILVER |
| Contact Removability | NONREMOVABLE ALL MATING ENDS SINGLE CONTACT GROUPING |
| Thread Class | 2B AND 2A A |
| Test Data Document | 81349-MIL-C-3655 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.). |
| Thread Quantity Per Inch | 20 |
| Contact Surface Treatment | SILVER ALL MATING ENDS SINGLE CONTACT GROUPING |
| Threaded Device Type | COUPLING FACILITY |
| Thread Series Designator | UNEF |
| Radio Frequency Type Contact Characteristic Impedance in Ohms | 95.0 ALL MATING ENDS 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 |
|---|---|
| MIL-DTL-3655/5 | 4/1 Identification reference U.S. Government activity |
| MIL-C-3655/5 | 5/9 Secondary reference U.S. Government activity |
| M3655/5-0981 | 2/2 Government specification standardization U.S. Government activity |
| UG-981/U | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
NSN 5935-00-643-6693 is a Adapter,connector, classified under FSC 5935, Connectors, Electrical. Status: active.
Key specifications for 5935-00-643-6693: Overall Height: 1.375 INCHES NOMINAL IN; Connector Locking Method: INTERNALLY THREADED COUPLING RING AND EXTERNALLY THREADED SHELL; Shell Type: SOLID; Body Style: ANGLE SHAPE, EXTERNAL/INTERNAL 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.