The Connector,plug,electrical, cataloged under National Stock Number 5935-01-657-2957, is classified within Federal Supply Class 5935 (Connectors, Electrical) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Infinite Electronics International, Inc.. Government technical data includes 16 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5935-01-657-2957 |
| Primary Part Number | PE4521 |
| Item Name | Connector,plug,electrical |
| FSC / FSG | 5935 / 59 — Connectors, Electrical |
| Manufacturer | Infinite Electronics International, Inc. |
| Status | ACTIVE |
| Body Style | STRAIGHT SHAPE, INTERNAL COUPLING |
| Terminal Type | SOLDER WELL SINGLE MATING END SINGLE CONTACT GROUPING |
| Overall Diameter | 0.452 INCHES NOMINAL IN |
| Mating End Quantity | 1 |
| Contact Position Arrangement Style | UHF SINGLE MATING END |
| Shell Surface Treatment | NICKEL |
| Terminal Location | BACK SINGLE MATING END SINGLE CONTACT GROUPING |
| Features Provided | ROHS DIRECTIVE COMPLIANCE |
| Included Contact Quantity | 1 SINGLE MATING END SINGLE CONTACT GROUPING |
| Included Contact Type | ROUND PIN SINGLE MATING END SINGLE CONTACT GROUPING |
| Connector Cable Strain Relief Method | CRIMP TYPE |
| Precious Material and Location | CONTACT PLATING GOLD |
| Contact Surface Treatment | GOLD SINGLE MATING END SINGLE CONTACT GROUPING |
| Radio Frequency Type Contact Characteristic Impedance in Ohms | 50.0 SINGLE MATING END SINGLE CONTACT GROUPING |
| Insert Material | PLASTIC POLYTETRAFLUOROETHYLENE SINGLE MATING END |
| Shell Material | COPPER 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 |
|---|---|
| PE4521 PRIMARY | Infinite Electronics International, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 9916039-10 | 5/2 Secondary reference U.S. Government activity |
NSN 5935-01-657-2957 is a Connector,plug,electrical, manufactured by Infinite Electronics International, Inc., classified under FSC 5935, Connectors, Electrical. Status: active.
NSN 5935-01-657-2957 has 1 manufacturer part number on file: PE4521 (Infinite Electronics International, Inc.).
Key specifications for PE4521: Body Style: STRAIGHT SHAPE, INTERNAL COUPLING; Terminal Type: SOLDER WELL SINGLE MATING END SINGLE CONTACT GROUPING; Overall Diameter: 0.452 INCHES NOMINAL IN; Mating End Quantity: 1. 16 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.