The Nut,self-Locking,hexagon, cataloged under National Stock Number 5310-01-725-3538, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is The American Society of Mechanical Engineers. Government technical data includes 15 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-725-3538 |
| Primary Part Number | AEN48F875000WK2A91 |
| Item Name | Nut,self-Locking,hexagon |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | The American Society of Mechanical Engineers |
| Status | ACTIVE |
| Width Across Flats | 1.239 INCHES MINIMUM AND 1.252 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | ASTM B633, TYPE II, SC 2 NATIONAL STD/SPEC SINGLE TREATMENT RESPONSE NUT |
| Thread Series | UNF |
| Material Document and Classification | ASME B18.16.6 PROPERTY GRADE NE8 NATIONAL STD/SPEC SINGLE MATERIAL RESPONSE NUT |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.875 INCHES IN |
| Locking Feature | NYLON INSERT |
| Nut Height | 0.969 INCHES MINIMUM AND 0.999 INCHES MAXIMUM IN |
| Surface Treatment | ZINC NUT |
| Nut Style | HEXAGON |
| Thread Class | 2B |
| Thread Quantity Per Inch | 14 |
| Material | STEEL NUT |
| Material | PLASTIC NYLON LOCKING INSERT |
| Bearing Surface Type | FLAT |
| 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 |
|---|---|
| AEN48F875000WK2A91 PRIMARY | The American Society of Mechanical Engineers (USA) |
NSN 5310-01-725-3538 is a Nut,self-Locking,hexagon, manufactured by The American Society of Mechanical Engineers, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-725-3538 has 1 manufacturer part number on file: AEN48F875000WK2A91 (The American Society of Mechanical Engineers).
Key specifications for AEN48F875000WK2A91: Width Across Flats: 1.239 INCHES MINIMUM AND 1.252 INCHES MAXIMUM IN; Surface Treatment Document and Classification: ASTM B633, TYPE II, SC 2 NATIONAL STD/SPEC SINGLE TREATMENT RESPONSE NUT; Thread Series: UNF; Material Document and Classification: ASME B18.16.6 PROPERTY GRADE NE8 NATIONAL STD/SPEC SINGLE MATERIAL RESPONSE NUT. 15 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.