The Nut,plain,hexagon, cataloged under National Stock Number 5310-00-778-2813, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is General Motors Corp. Government technical data includes 16 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5310-00-778-2813 |
| Primary Part Number | 9411382 |
| Item Name | Nut,plain,hexagon |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | General Motors Corp |
| Status | ACTIVE |
| Width Across Flats | 0.5510 INCHES MINIMUM AND 0.5625 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | QQ-P-416,TYPE 2,CLASS 3 FED SPEC ALL TREATMENT RESPONSES OVERALL |
| Thread Series | UNIFIED NATIONAL COARSE (UNC) |
| Hardness Rating | 103.0 BRINELL STANDARD MINIMUM |
| Material Document and Classification | ASTM A563 ASSN STD SINGLE MATERIAL RESPONSE OR SAE J995,UNS K05802 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.375 INCHES IN |
| Specification/standard Data | 81348-FF-N-836 GOVERNMENT SPECIFICATION AND 96906-MS51967 GOVERNMENT STANDARD |
| Nondefinitive Spec/std Data | 2 TYPE AND 4 STYLE AND 3/8-16IN. SIZE IN |
| Nut Height | 0.320 INCHES MINIMUM AND 0.337 INCHES MAXIMUM IN |
| Surface Treatment | CADMIUM AND CHROMATE OVERALL |
| Nut Style | HEXAGON |
| Thread Class | 2B |
| 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 |
|---|---|
| 9411382 PRIMARY | General Motors Corp (USA) |
| Reference | Meaning |
|---|---|
| FF-N-836 | 4/1 Identification reference U.S. Government activity |
| MS51967-7 | 5/9 Secondary reference U.S. Government activity |
| 5310PL0631798 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
NSN 5310-00-778-2813 is a Nut,plain,hexagon, manufactured by General Motors Corp, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-778-2813 has 1 manufacturer part number on file: 9411382 (General Motors Corp).
1 possible match (shared part number, not a government interchangeability claim): 5310-01-135-5851. Verify interchangeability with system specifications before substitution.
Key specifications for 9411382: Width Across Flats: 0.5510 INCHES MINIMUM AND 0.5625 INCHES MAXIMUM IN; Surface Treatment Document and Classification: QQ-P-416,TYPE 2,CLASS 3 FED SPEC ALL TREATMENT RESPONSES OVERALL; Thread Series: UNIFIED NATIONAL COARSE (UNC); Hardness Rating: 103.0 BRINELL STANDARD MINIMUM. 16 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.