The Nut,plain,hexagon, cataloged under National Stock Number 5310-01-138-8499, 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12 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-138-8499 |
| Item Name | Nut,plain,hexagon |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Status | ACTIVE |
| Width Across Flats | 1.000 INCHES NOMINAL1.000 INCHES NOMINAL IN |
| Thread Tolerance Class | 6H INTERNAL6H INTERNAL |
| Surface Treatment Document and Classification | QQ-P-35,TYPE 4 FED SPEC SINGLE TREATMENT RESPONSE OVERALLQQ-P-35,TYPE 4 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Thread Series | MM |
| Thread Pitch in Millimeters | 1.501.50 |
| Thread Direction | RIGHT-HANDRIGHT-HAND |
| Nominal Thread Size | 14.0 MILLIMETERS14.0 MILLIMETERS MM |
| Nut Height | 0.250 INCHES NOMINAL0.250 INCHES NOMINAL IN |
| Surface Treatment | PASSIVATE OVERALLPASSIVATE OVERALL |
| Nut Style | HEXAGONHEXAGON |
| Material | STEEL COMP 303 OVERALL |
| Bearing Surface Type | FLATFLAT |
| 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 |
|---|---|
| 2434876-1 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5310-01-138-8499 is a Nut,plain,hexagon, classified under FSC 5310, Nuts and Washers. Status: active.
Key specifications for 5310-01-138-8499: Width Across Flats: 1.000 INCHES NOMINAL1.000 INCHES NOMINAL IN; Thread Tolerance Class: 6H INTERNAL6H INTERNAL; Surface Treatment Document and Classification: QQ-P-35,TYPE 4 FED SPEC SINGLE TREATMENT RESPONSE OVERALLQQ-P-35,TYPE 4 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Thread Series: MM. 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.