The Nut,plain,rectangular, cataloged under National Stock Number 5310-00-978-1576, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. Government technical data includes 10 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-978-1576 |
| Item Name | Nut,plain,rectangular |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Status | ACTIVE |
| Nut Width | 0.594 INCHES MINIMUM AND 0.656 INCHES MAXIMUM IN |
| Nut Length | 1.078 INCHES MINIMUM AND 1.110 INCHES MAXIMUM IN |
| Thread Series | UNIFIED NATIONAL COARSE (UNC) |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.375 INCHES IN |
| Nut Height | 0.281 INCHES MINIMUM AND 0.343 INCHES MAXIMUM IN |
| Nut Style | PLAIN, RECTANGULAR |
| Thread Class | 2B |
| Thread Quantity Per Inch | 16 |
| Material | STEEL COMP 1060 OVERALL |
| 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 |
|---|---|
| A4008 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5310-00-978-1576 is a Nut,plain,rectangular, classified under FSC 5310, Nuts and Washers. Status: active.
Key specifications for 5310-00-978-1576: Nut Width: 0.594 INCHES MINIMUM AND 0.656 INCHES MAXIMUM IN; Nut Length: 1.078 INCHES MINIMUM AND 1.110 INCHES MAXIMUM IN; Thread Series: UNIFIED NATIONAL COARSE (UNC); Thread Direction: RIGHT-HAND. 10 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.