The Nut,plain,barrel, cataloged under National Stock Number 5310-01-175-3704, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Bae Systems (operations) Limited. Government technical data includes 16 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5310-01-175-3704 |
| Primary Part Number | 75A667252-2001 |
| Item Name | Nut,plain,barrel |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Bae Systems (operations) Limited |
| Status | ACTIVE |
| Nut Length | 0.440 INCHES NOMINAL IN |
| Surface Treatment Document and Classification | S26-13,FSCM K0289 MFR REF SINGLE TREATMENT RESPONSE OVERALL |
| Thread Series | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Material Document and Classification | S.143,FSCM K0289 MFR REF SINGLE MATERIAL RESPONSE OVERALL |
| Nut Counterbore Depth | 0.100 INCHES NOMINAL NUT IN |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.250 INCHES IN |
| Nut Diameter | 0.500 INCHES NOMINAL IN |
| Counterbore Diameter | 0.281 INCHES NOMINAL NUT IN |
| Surface Treatment | PASSIVATE OVERALL |
| Nut Style | PLAIN BARREL |
| Thread Class | 2B |
| Thread Quantity Per Inch | 28 |
| Material | STEEL CORROSION RESISTING OVERALL |
| Distance From Centerline of Threaded Hole to End of Nut | 0.220 INCHES NOMINAL IN |
| Barrel Height | 0.300 INCHES NOMINAL IN |
| 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 |
|---|---|
| 75A667252-2001 | Bae Systems (operations) Limited (GBR) |
| 75A667252-2001 | Bae Systems Plc (GBR) |
| 75A66725-2001 | Bae Systems Plc (GBR) |
| Reference | Meaning |
|---|---|
| 75A667252-2001 | 3/9 Design control — primary reference British Aerospace (military Aircraft & Aerostructures) |
NSN 5310-01-175-3704 is a Nut,plain,barrel, manufactured by Bae Systems (operations) Limited, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-175-3704 has 3 manufacturer part numbers on file: 75A667252-2001 (Bae Systems (operations) Limited), 75A667252-2001 (Bae Systems Plc), 75A66725-2001 (Bae Systems Plc).
Key specifications for 75A667252-2001: Nut Length: 0.440 INCHES NOMINAL IN; Surface Treatment Document and Classification: S26-13,FSCM K0289 MFR REF SINGLE TREATMENT RESPONSE OVERALL; Thread Series: UNIFIED NATIONAL JOINT FINE (UNJF); Material Document and Classification: S.143,FSCM K0289 MFR REF SINGLE MATERIAL RESPONSE OVERALL. 16 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.