The Nut,plain,hexagon, cataloged under National Stock Number 5310-01-261-1495, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. Government technical data includes 7 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5310-01-261-1495 |
| Item Name | Nut,plain,hexagon |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Status | ACTIVE |
| Width Across Flats | 0.437 INCHES NOMINAL IN |
| Thread Series | UNF |
| Material Document and Classification | MIL-F-14072 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Size | 0.250 INCHES IN |
| Thread Class | 2B |
| Thread Quantity Per Inch | 28 |
| Material | STEEL COMP 303 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 |
|---|---|
| 477A1131103 | 7/2 Vendor item drawing reference Lockheed Martin Corporation Div Rotary and Mission Systems |
| NCN-428-128-5F- 8-6 | 3/9 Design control — primary reference Dar Electronics Inc Commercial Products Div Dba National Radio Co |
NSN 5310-01-261-1495 is a Nut,plain,hexagon, classified under FSC 5310, Nuts and Washers. Status: active.
Key specifications for 5310-01-261-1495: Width Across Flats: 0.437 INCHES NOMINAL IN; Thread Series: UNF; Material Document and Classification: MIL-F-14072 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL; Nominal Thread Size: 0.250 INCHES IN. 7 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.