The Nut,plain,hexagon, cataloged under National Stock Number 5310-01-696-8143, 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 7 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5310-01-696-8143 |
| Primary Part Number | AEN04C250000CR8A31 |
| Item Name | Nut,plain,hexagon |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | The American Society of Mechanical Engineers |
| Status | ACTIVE |
| Thread Series | UNIFIED NATIONAL COARSE (UNC) |
| Nominal Thread Size | 0.250 INCHES IN |
| Nut Height | 0.250 INCHES MINIMUM IN |
| Nut Style | HEXAGON |
| Thread Class | 2B |
| Material | STEEL CORROSION RESISTING OVERALL |
| Bearing Surface Type | CHAMFERED OR FLAT OR WASHER FACED |
| 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 |
|---|---|
| AEN04C250000CR8A31 | The American Society of Mechanical Engineers (USA) |
| Reference | Meaning |
|---|---|
| ASME B18.24 | 3/1 Design control — primary reference The American Society of Mechanical Engineers |
NSN 5310-01-696-8143 is a Nut,plain,hexagon, manufactured by The American Society of Mechanical Engineers, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-696-8143 has 1 manufacturer part number on file: AEN04C250000CR8A31 (The American Society of Mechanical Engineers).
Key specifications for AEN04C250000CR8A31: Thread Series: UNIFIED NATIONAL COARSE (UNC); Nominal Thread Size: 0.250 INCHES IN; Nut Height: 0.250 INCHES MINIMUM IN; Part Name Assigned by Controlling Agency: NUT PLAIN HEXAGON. 7 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.