The Nut,plain,assembled Washer, cataloged under National Stock Number 5310-01-132-3400, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Carco Electronics. Government technical data includes 12 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-132-3400 |
| Primary Part Number | S4147-2 |
| Item Name | Nut,plain,assembled Washer |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Carco Electronics |
| Status | ACTIVE |
| Washer Outside Diameter | 0.625 INCHES NOMINAL IN |
| Width Across Flats | 0.438 INCHES NOMINAL IN |
| Thread Series | UNF |
| Material Document and Classification | SAE ASSN STD SINGLE MATERIAL RESPONSE NUT |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.250 INCHES IN |
| Nut Height | 0.188 INCHES NOMINAL IN |
| Nut Style | CONICAL |
| Thread Class | 2B |
| Thread Quantity Per Inch | 28 |
| Material | STEEL WASHER |
| Material | STEEL COMP 1020 NUT |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| S4147-2 PRIMARY | Carco Electronics (USA) |
| Reference | Meaning |
|---|---|
| S4147-2 | 5/9 Secondary reference Contraves Inc |
| S4147 | 5/9 Secondary reference Contraves Inc |
| 534-250800-51 | 5/9 Secondary reference Itw Shakeproof Automotive Products |
NSN 5310-01-132-3400 is a Nut,plain,assembled Washer, manufactured by Carco Electronics, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-132-3400 has 1 manufacturer part number on file: S4147-2 (Carco Electronics).
Key specifications for S4147-2: Overall Height: 0.203 INCHES NOMINAL IN; Washer Outside Diameter: 0.625 INCHES NOMINAL IN; Width Across Flats: 0.438 INCHES NOMINAL IN; Thread Series: UNF. 12 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). 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.