The Nut,stamped, cataloged under National Stock Number 5310-00-249-5248, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is U S Army Tank Automotive Command Amsta-Im-Mm. Government technical data includes 7 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-249-5248 |
| Primary Part Number | 7978435 |
| Item Name | Nut,stamped |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | U S Army Tank Automotive Command Amsta-Im-Mm |
| Status | ACTIVE |
| Width Across Flats | 0.312 INCHES NOMINAL IN |
| Gripping Notch Quantity | 1 |
| Mating Member Diameter Accommodated | 0.138 INCHES NOMINAL IN |
| Nut Height | 0.261 INCHES NOMINAL IN |
| Surface Treatment | CADMIUM OR ZINC OVERALL |
| Nut Style | STAMPED |
| Material | STEEL OVERALL |
| 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 |
|---|---|
| 7978435 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| W11284-1 | Hobart Bros Co (USA) |
| Reference | Meaning |
|---|---|
| AC632 | 5/9 Secondary reference Trw Assemblies and Fasteners Group Fasteners Div |
| AC632EBG | 5/9 Secondary reference Trw Assemblies and Fasteners Group Fasteners Div |
| AC632C0G | 5/9 Secondary reference Trw Assemblies and Fasteners Group Fasteners Div |
NSN 5310-00-249-5248 is a Nut,stamped, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-249-5248 has 2 manufacturer part numbers on file: 7978435 (U S Army Tank Automotive Command Amsta-Im-Mm), W11284-1 (Hobart Bros Co).
Key specifications for 7978435: Width Across Flats: 0.312 INCHES NOMINAL IN; Gripping Notch Quantity: 1; Mating Member Diameter Accommodated: 0.138 INCHES NOMINAL IN; Nut Height: 0.261 INCHES NOMINAL IN. 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.