The Nut,plain,hexagon, cataloged under National Stock Number 5310-01-372-2671, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. Government technical data includes 11 specifications, cited from the U.S. Government catalog. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-372-2671 |
| Item Name | Nut,plain,hexagon |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Status | ACTIVE |
| Width Across Flats | 0.922 INCHES MINIMUM AND 0.938 INCHES MAXIMUM IN |
| Thread Series | UNIFIED NATIONAL COARSE (UNC) |
| Hardness Rating | 80.0 ROCKWELL B MINIMUM |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.625 INCHES IN |
| Nut Height | 0.363 INCHES MINIMUM AND 0.387 INCHES MAXIMUM IN |
| Nut Style | HEXAGON |
| Thread Class | 2B |
| Thread Quantity Per Inch | 11 |
| Material | NICKEL ALLOY 400 OVERALL |
| Bearing Surface Type | WASHER FACED |
| 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 |
|---|---|
| 1305-*034 4IN IT 8 | C/1 Advisory reference — outside the item-of-supply concept Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc |
| 803-1385637-031-14 | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
| MIL-DTL-1222 | 4/1 Identification reference U.S. Government activity |
| 5/8-11UNC 2B TY 2 GR400 | 3/2 Design control — primary reference U.S. Government activity |
| 5/8-11UNC-2B TY I GR400 | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
| MIL-S-1222 | 5/9 Secondary reference U.S. Government activity |
NSN 5310-01-372-2671 is a Nut,plain,hexagon, classified under FSC 5310, Nuts and Washers. Status: active.
Key specifications for 5310-01-372-2671: Width Across Flats: 0.922 INCHES MINIMUM AND 0.938 INCHES MAXIMUM IN; Thread Series: UNIFIED NATIONAL COARSE (UNC); Hardness Rating: 80.0 ROCKWELL B MINIMUM; Thread Direction: RIGHT-HAND. 11 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.