The Nut,plain,hexagon, cataloged under National Stock Number 5310-01-312-2478, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Bae Systems Hagglunds Aktiebolag. Government technical data includes 8 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-312-2478 |
| Primary Part Number | 21262911-152 |
| Item Name | Nut,plain,hexagon |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Bae Systems Hagglunds Aktiebolag |
| Status | ACTIVE |
| Width Across Flats | 15.0 MILLIMETERS NOMINAL MM |
| Thread Tolerance Class | 6H INTERNAL |
| Thread Series | ISO M |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 9.0 MILLIMETERS MM |
| Nut Height | 2.8 MILLIMETERS NOMINAL MM |
| Nut Style | HEXAGON |
| 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 |
|---|---|
| 21262911-152 | Bae Systems Hagglunds Aktiebolag (SWE) |
| Reference | Meaning |
|---|---|
| 21262911-152 | 5/9 Secondary reference Bae Systems Hagglunds Ab |
| 90689-991 | 3/9 Design control — primary reference U.s. Defense Services, Inc. Dba Usds |
NSN 5310-01-312-2478 is a Nut,plain,hexagon, manufactured by Bae Systems Hagglunds Aktiebolag, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-312-2478 has 1 manufacturer part number on file: 21262911-152 (Bae Systems Hagglunds Aktiebolag).
Key specifications for 21262911-152: Width Across Flats: 15.0 MILLIMETERS NOMINAL MM; Thread Tolerance Class: 6H INTERNAL; Thread Series: ISO M; Thread Direction: RIGHT-HAND. 8 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.