The Nut,plain,hexagon, cataloged under National Stock Number 5310-01-557-0871, 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 13 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5310-01-557-0871 |
| Primary Part Number | AEN04C312000WB0DG1 |
| Item Name | Nut,plain,hexagon |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | The American Society of Mechanical Engineers |
| Status | ACTIVE |
| Width Across Flats | 0.489 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | ASTMF1941 NATIONAL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Thread Series | UNIFIED NATIONAL COARSE (UNC) |
| Material Document and Classification | SAEJ995 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.3125 INCHES IN |
| Nut Height | 0.258 INCHES MINIMUM AND 0.273 INCHES MAXIMUM IN |
| Surface Treatment | ZINC OVERALL |
| Nut Style | HEXAGON |
| Thread Class | 2B |
| Thread Quantity Per Inch | 18 |
| Material | STEEL OVERALL |
| 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 |
|---|---|
| AEN04C312000WB0DG1 PRIMARY | The American Society of Mechanical Engineers (USA) |
| 3006626 | General Dynamics Land Systems - Force Protection Inc. Dba Gdls Div Gdls-Fp (USA) |
| 36404 | Fastenal Company Dba Fastenal Co (USA) |
| Reference | Meaning |
|---|---|
| 12759-00670 | C/1 Advisory reference — outside the item-of-supply concept Fastenal Company Dba Fastenal Co |
NSN 5310-01-557-0871 is a Nut,plain,hexagon, manufactured by The American Society of Mechanical Engineers, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-557-0871 has 3 manufacturer part numbers on file: AEN04C312000WB0DG1 (The American Society of Mechanical Engineers), 3006626 (General Dynamics Land Systems - Force Protection Inc. Dba Gdls Div Gdls-Fp), 36404 (Fastenal Company Dba Fastenal Co).
Key specifications for AEN04C312000WB0DG1: Width Across Flats: 0.489 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN; Surface Treatment Document and Classification: ASTMF1941 NATIONAL SPEC SINGLE TREATMENT RESPONSE OVERALL; Thread Series: UNIFIED NATIONAL COARSE (UNC); Material Document and Classification: SAEJ995 ASSN STD SINGLE MATERIAL RESPONSE OVERALL. 13 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.