The Connector,receptacle,electrical, cataloged under National Stock Number 5935-01-228-1786, 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 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5935-01-228-1786 |
| Primary Part Number | RFK12-31SL |
| Item Name | Connector,receptacle,electrical |
| FSC / FSG | 5935 / 59 — Connectors, Electrical |
| Manufacturer | Itt Cannon Llc |
| Status | ACTIVE |
| Contact Maximum Current Rating in Amps | 30.0 SINGLE MATING END SINGLE CONTACT GROUPING |
| Connector Locking Method | INTERNALLY THREADED COUPLING RING |
| Shell Type | SOLID |
| Body Style | STRAIGHT SHAPE, INTERNAL COUPLING |
| Terminal Type | SOLDER WELL SINGLE MATING END SINGLE CONTACT GROUPING |
| Contact Material | COPPER ALLOY SINGLE MATING END SINGLE CONTACT GROUPING |
| Mating End Quantity | 1 |
| Precious Material | SILVER |
| Contact Position Arrangement Style | FK-12 SINGLE MATING END |
| Shell Surface Treatment | CADMIUM |
| Insert Position in Deg | 0.0 |
| Unthreaded Mounting Hole Diameter | 0.169 INCHES NOMINAL IN |
| Precious Material and Weight | 0.012 SILVER GRAINS, TROY |
| Terminal Location | BACK SINGLE MATING END SINGLE CONTACT GROUPING |
| Center to Center Distance Between Mounting Facilities Parallel to Height | 1.678 INCHES NOMINAL IN |
| Included Contact Quantity | 12 SINGLE MATING END SINGLE CONTACT GROUPING |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 1.812 INCHES IN |
| Included Contact Type | ROUND SOCKET SINGLE MATING END SINGLE CONTACT GROUPING |
| Distance Between Centerlines of Mounting Facilities Parallel to Body Width | 1.678 INCHES NOMINAL IN |
| Polarization Method | KEYWAY OR MULTIPLE KEYWAY |
| Contact Surface Treatment Document and Classification | QQ-S-365 FED SPEC SINGLE TREATMENT RESPONSE SINGLE MATING END SINGLE CONTACT GROUPING |
| Precious Material and Location | CONTACT SURFACES SILVER |
| Contact Removability | NONREMOVABLE SINGLE MATING END SINGLE CONTACT GROUPING |
| Thread Class | 2B |
| Thread Quantity Per Inch | 6 |
| Contact Surface Treatment | SILVER 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 |
| Part Number | Manufacturer |
|---|---|
| RFK12-31SL PRIMARY | Itt Cannon Llc (USA) |
| Reference | Meaning |
|---|---|
| RFK12-31S | C/1 Advisory reference — outside the item-of-supply concept Itt Cannon Llc |
NSN 5935-01-228-1786 is a Connector,receptacle,electrical, manufactured by Itt Cannon Llc, classified under FSC 5935, Connectors, Electrical. Status: active.
NSN 5935-01-228-1786 has 1 manufacturer part number on file: RFK12-31SL (Itt Cannon Llc).
Key specifications for RFK12-31SL: Overall Height: 2.125 INCHES NOMINAL IN; Contact Maximum Current Rating in Amps: 30.0 SINGLE MATING END SINGLE CONTACT GROUPING; Connector Locking Method: INTERNALLY THREADED COUPLING RING; Shell Type: SOLID. 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.