The Nut,plain,extended Washer,hexago, cataloged under National Stock Number 5310-01-439-5159, 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11 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-439-5159 |
| Item Name | Nut,plain,extended Washer,hexago |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Status | ACTIVE |
| Washer Outside Diameter | 11.8 MILLIMETERS MAXIMUM MM |
| Width Across Flats | 7.78 MILLIMETERS MINIMUM AND 8.00 MILLIMETERS MAXIMUM MM |
| Surface Treatment Document and Classification | QQ-Z-325, TY2 CL3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Thread Series | M |
| Thread Pitch in Millimeters | 0.80 |
| Washer Thickness | 1.0 MILLIMETERS MINIMUM MM |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 5.0 MILLIMETERS MM |
| Surface Treatment | ZINC AND CHROMATE OVERALL |
| Nut Style | HEXAGON |
| Material | STEEL 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 |
|---|---|
| ANSI B18.2.4.4B05 | 3/2 Design control — primary reference U.S. Government activity |
| B18244B05 | 5/2 Secondary reference U.S. Government activity |
NSN 5310-01-439-5159 is a Nut,plain,extended Washer,hexago, classified under FSC 5310, Nuts and Washers. Status: active.
Key specifications for 5310-01-439-5159: Overall Height: 4.70 MILLIMETERS MINIMUM AND 5.00 MILLIMETERS MAXIMUM MM; Washer Outside Diameter: 11.8 MILLIMETERS MAXIMUM MM; Width Across Flats: 7.78 MILLIMETERS MINIMUM AND 8.00 MILLIMETERS MAXIMUM MM; Surface Treatment Document and Classification: QQ-Z-325, TY2 CL3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL. 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.