The Connector,receptacle,electrical, cataloged under National Stock Number 5935-01-026-5885, is classified within Federal Supply Class 5935 (Connectors, Electrical) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Amphenol Corp Div Amphenol Aerospace Operations. Government technical data includes 29 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5935-01-026-5885 |
| Primary Part Number | 21-203722-55I |
| Item Name | Connector,receptacle,electrical |
| FSC / FSG | 5935 / 59 — Connectors, Electrical |
| Manufacturer | Amphenol Corp Div Amphenol Aerospace Operations |
| Status | ACTIVE |
| Connector Locking Method | BAYONET PIN |
| Shell Type | SOLID |
| Body Style | STRAIGHT SHAPE THREADED |
| Terminal Type | SOLDER WELL SINGLE MATING END SINGLE CONTACT GROUPING |
| Contact Material | COPPER ALLOY SINGLE MATING END SINGLE CONTACT GROUPING |
| Bushing Accommodation Hole Shape | ROUND W/FLAT |
| Overall Diameter | 1.938 INCHES NOMINAL IN |
| Mating End Quantity | 1 |
| Precious Material | GOLD |
| Contact Position Arrangement Style | 22-55 SINGLE MATING END |
| Shell Surface Treatment | CADMIUM AND CHROMATE |
| Insert Position in Deg | 142.0 |
| Precious Material and Weight | 0.055 GOLD GRAINS, TROY |
| Terminal Location | BACK SINGLE MATING END SINGLE CONTACT GROUPING |
| Included Contact Quantity | 55 SINGLE MATING END SINGLE CONTACT GROUPING |
| Thread Direction | RIGHT-HAND |
| Mounting Facility Thickness | 0.062 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN |
| Nominal Thread Size | 1.500 INCHES IN |
| Included Contact Type | ROUND PIN SINGLE MATING END SINGLE CONTACT GROUPING |
| Polarization Method | KEYWAY OR MULTIPLE KEYWAY |
| Contact Surface Treatment Document and Classification | MIL-G-45204,TY 1,CL 1,GRADE C MIL SPEC 1ST TREATMENT RESPONSE AND QQ-N-290,GRADE E FED SPEC 2ND TREATMENT RESPONSE SINGLE MATING END SINGLE CONTACT GROUPING |
| Environmental Protection | MOISTURE RESISTANT AND VIBRATION RESISTANT AND CORROSION RESISTANT AND SOLVENT RESISTANT |
| Precious Material and Location | CONTACT SURFACES GOLD |
| Distance From Mounting Shoulder to Front Face | 0.884 INCHES NOMINAL IN |
| Contact Removability | NONREMOVABLE SINGLE MATING END SINGLE CONTACT GROUPING |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 18 |
| Contact Surface Treatment | GOLD AND NICKEL SINGLE MATING END SINGLE CONTACT GROUPING |
| Threaded Device Type | MOUNTING BUSHING |
| 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 |
|---|---|
| 21-203722-55I PRIMARY | Amphenol Corp Div Amphenol Aerospace Operations (USA) |
| Reference | Meaning |
|---|---|
| 3380056-021 | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
NSN 5935-01-026-5885 is a Connector,receptacle,electrical, manufactured by Amphenol Corp Div Amphenol Aerospace Operations, classified under FSC 5935, Connectors, Electrical. Status: active.
NSN 5935-01-026-5885 has 1 manufacturer part number on file: 21-203722-55I (Amphenol Corp Div Amphenol Aerospace Operations).
Key specifications for 21-203722-55I: Connector Locking Method: BAYONET PIN; Shell Type: SOLID; Body Style: STRAIGHT SHAPE THREADED; Terminal Type: SOLDER WELL SINGLE MATING END SINGLE CONTACT GROUPING. 29 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.