The Nut,plain,round, cataloged under National Stock Number 5310-00-446-6373, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. Government technical data includes 19 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-446-6373 |
| Item Name | Nut,plain,round |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Status | ACTIVE |
| Surface Treatment Document and Classification | BPS FW 4007,FSCM 97499 MFR REF SINGLE TREATMENT RESPONSE OVERALL |
| Thread Series | UN |
| Hole Configuration Style | CONFIGURATION J |
| Material Document and Classification | QQ-S-763,CLASS 6,TYPE A FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 4.000 INCHES IN |
| Nut Diameter | 4.775 INCHES MINIMUM AND 4.795 INCHES MAXIMUM IN |
| Drive Point Depth | 0.020 INCHES NOMINAL IN |
| Nut Thickness | 0.885 INCHES NOMINAL IN |
| Drive Point Diameter | 0.390 INCHES MINIMUM AND 0.410 INCHES MAXIMUM IN |
| Drilled Hole Diameter | 0.065 INCHES MINIMUM AND 0.072 INCHES MAXIMUM IN |
| Surface Treatment | PASSIVATE OVERALL |
| Countersink Angle | 45.0 DEGREES NOMINAL NUT |
| Drive Point Quantity | 9 |
| Nut Style | ROUND |
| Thread Class | 3B |
| Thread Quantity Per Inch | 16 |
| Material | STEEL OVERALL |
| Hole Type and Quantity | 9 DRILLED |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 204-011-124-1 | 3/2 Design control — primary reference U.S. Government activity |
| 204-011-124-001 | 5/2 Secondary reference U.S. Government activity |
NSN 5310-00-446-6373 is a Nut,plain,round, classified under FSC 5310, Nuts and Washers. Status: active.
Key specifications for 5310-00-446-6373: Surface Treatment Document and Classification: BPS FW 4007,FSCM 97499 MFR REF SINGLE TREATMENT RESPONSE OVERALL; Thread Series: UN; Hole Configuration Style: CONFIGURATION J; Material Document and Classification: QQ-S-763,CLASS 6,TYPE A FED SPEC SINGLE MATERIAL RESPONSE OVERALL. 19 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.