The Connector,plug,electrical, cataloged under National Stock Number 5935-00-644-7024, is classified within Federal Supply Class 5935 (Connectors, Electrical) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Itt Cannon Llc. Government technical data includes 28 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5935-00-644-7024 |
| Primary Part Number | FK-B5C-21C-1 |
| Item Name | Connector,plug,electrical |
| FSC / FSG | 5935 / 59 — Connectors, Electrical |
| Manufacturer | Itt Cannon Llc |
| Status | ACTIVE |
| Contact Maximum Current Rating in Amps | 10.0 SINGLE MATING END FIRST CONTACT GROUPING |
| Connector Locking Method | INTERNALLY THREADED COUPLING NUT |
| Shell Type | SOLID |
| Body Style | STRAIGHT SHAPE, INTERNAL COUPLING W/BACKSHELL |
| Terminal Type | SOLDER WELL SINGLE MATING END ALL CONTACT GROUPINGS |
| Contact Material | COPPER ALLOY SINGLE MATING END ALL CONTACT GROUPINGS |
| Overall Diameter | 2.000 INCHES MINIMUM AND 2.031 INCHES MAXIMUM IN |
| Mating End Quantity | 1 |
| Precious Material | GOLD AND SILVER |
| Shell Surface Treatment | CADMIUM |
| Insert Position in Deg | 0.0 |
| Precious Material and Weight | 0.005 GOLD GRAINS, TROY AND 0.005 SILVER GRAINS, TROY |
| Terminal Location | BACK SINGLE MATING END ALL CONTACT GROUPINGS |
| Included Contact Quantity | 4 SINGLE MATING END SECOND CONTACT GROUPING |
| Included Contact Quantity | 1 SINGLE MATING END FIRST CONTACT GROUPING |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 1.438 INCHES AND 1.812 INCHES IN |
| Included Contact Type | COAXIAL SOCKET SINGLE MATING END ALL CONTACT GROUPINGS |
| Polarization Method | KEY, MULTIPLE KEY GROOVE |
| Precious Material and Location | CONTACT SURFACES GOLD AND CONTACT SURFACES SILVER |
| Contact Removability | NONREMOVABLE SINGLE MATING END ALL CONTACT GROUPINGS |
| Thread Class | 2A AND 2B A |
| Contact Surface Treatment | GOLD AND SILVER SINGLE MATING END ALL CONTACT GROUPINGS |
| Threaded Device Type | BACK SHELL AND COUPLING FACILITY |
| Thread Series Designator | UNEF AND UN |
| Radio Frequency Type Contact Characteristic Impedance in Ohms | 73.0 SINGLE MATING END SECOND CONTACT GROUPING |
| Insert Material | PLASTIC MELAMINE 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 |
|---|---|
| FK-B5C-21C-1 PRIMARY | Itt Cannon Llc (USA) |
| Reference | Meaning |
|---|---|
| 18178REVD | 5/1 Secondary reference Itt Cannon Llc |
| FKB5C5-21-1 | 5/9 Secondary reference Itt Cannon Llc |
NSN 5935-00-644-7024 is a Connector,plug,electrical, manufactured by Itt Cannon Llc, classified under FSC 5935, Connectors, Electrical. Status: active.
NSN 5935-00-644-7024 has 1 manufacturer part number on file: FK-B5C-21C-1 (Itt Cannon Llc).
Key specifications for FK-B5C-21C-1: Contact Maximum Current Rating in Amps: 10.0 SINGLE MATING END FIRST CONTACT GROUPING; Connector Locking Method: INTERNALLY THREADED COUPLING NUT; Shell Type: SOLID; Body Style: STRAIGHT SHAPE, INTERNAL COUPLING W/BACKSHELL. 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.