The Nut,plain,hexagon, cataloged under National Stock Number 5310-01-372-2672, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. Government technical data includes 12 specifications, cited from the U.S. Government catalog. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5310-01-372-2672 |
| Item Name | Nut,plain,hexagon |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Status | ACTIVE |
| Width Across Flats | 0.675 INCHES MINIMUM AND 0.688 INCHES MAXIMUM IN |
| Thread Series | UNIFIED NATIONAL COARSE (UNC) |
| Hardness Rating | 95.0 ROCKWELL B MINIMUM |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.4375 INCHES IN |
| Nondefinitive Spec/std Data | 1 TYPE AND 316 GRADE AND CW CONDITION |
| Nut Height | 0.365 INCHES MINIMUM AND 0.385 INCHES MAXIMUM IN |
| Nut Style | HEXAGON |
| Thread Class | 2B |
| Thread Quantity Per Inch | 14 |
| Material | STEEL COMP 316 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 |
|---|---|
| 7/16-14UNC-2B T YI GR316 | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
| MIL-DTL-1222 | 4/1 Identification reference U.S. Government activity |
| MIL-S-1222 | 5/9 Secondary reference U.S. Government activity |
| 803-2177525-S3X X-12 | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
| 7/16-14UNC-2B TY1 GR316 | 5/9 Secondary reference U.S. Government activity |
| M1222N1W7C20SDNN | 2/2 Government specification standardization U.S. Government activity |
NSN 5310-01-372-2672 is a Nut,plain,hexagon, classified under FSC 5310, Nuts and Washers. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 5310-01-472-9391. Verify interchangeability with system specifications before substitution.
Key specifications for 5310-01-372-2672: Width Across Flats: 0.675 INCHES MINIMUM AND 0.688 INCHES MAXIMUM IN; Thread Series: UNIFIED NATIONAL COARSE (UNC); Hardness Rating: 95.0 ROCKWELL B MINIMUM; Thread Direction: RIGHT-HAND. 12 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.