The Nut,self-Locking,hexagon, cataloged under National Stock Number 5310-01-557-1162, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Fastenal Company Dba Fastenal Co. Government technical data includes 13 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-557-1162 |
| Primary Part Number | 37314 |
| Item Name | Nut,self-Locking,hexagon |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Fastenal Company Dba Fastenal Co |
| Status | ACTIVE |
| Lubrication | WAX |
| Width Across Flats | 1.088 INCHES MINIMUM AND 1.127 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | ASTMF1941 ASSN STD ALL TREATMENT RESPONSES OVERALL |
| Thread Series | UNF |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.750 INCHES IN |
| Locking Feature | TOP LOCK |
| Nut Height | 0.617 INCHES MINIMUM AND 0.827 INCHES MAXIMUM IN |
| Surface Treatment | ZINC OVERALL |
| Nut Style | HEXAGON |
| Thread Quantity Per Inch | 16 |
| 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 |
|---|---|
| 37314 PRIMARY | Fastenal Company Dba Fastenal Co (USA) |
| 1000902 | General Dynamics Land Systems - Force Protection Inc. Dba Gdls Div Gdls-Fp (USA) |
| Reference | Meaning |
|---|---|
| 12759-00703 | C/1 Advisory reference — outside the item-of-supply concept Fastenal Company Dba Fastenal Co |
| 10002637 | 5/9 Secondary reference General Dynamics Land Systems - Force Protection Inc. Dba Gdls Div Gdls-Fp |
NSN 5310-01-557-1162 is a Nut,self-Locking,hexagon, manufactured by Fastenal Company Dba Fastenal Co, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-557-1162 has 2 manufacturer part numbers on file: 37314 (Fastenal Company Dba Fastenal Co), 1000902 (General Dynamics Land Systems - Force Protection Inc. Dba Gdls Div Gdls-Fp).
1 possible match (shared part number, not a government interchangeability claim): 5999-01-568-7586. Verify interchangeability with system specifications before substitution.
Key specifications for 37314: Lubrication: WAX; Width Across Flats: 1.088 INCHES MINIMUM AND 1.127 INCHES MAXIMUM IN; Surface Treatment Document and Classification: ASTMF1941 ASSN STD ALL TREATMENT RESPONSES OVERALL; Thread Series: UNF. 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.