The Nut,plain,extended Washer,hexago, cataloged under National Stock Number 5310-01-134-5771, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. Government technical data includes 15 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5310-01-134-5771 |
| Item Name | Nut,plain,extended Washer,hexago |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Status | ACTIVE |
| Washer Outside Diameter | 4.367 INCHES MINIMUM AND 4.377 INCHES MAXIMUM IN |
| Width Across Flats | 3.719 INCHES MINIMUM AND 3.781 INCHES MAXIMUM IN |
| Hole Thread Quantity Per Inch | 18 |
| Thread Series | UNS |
| Hole Configuration Style | CONFIGURATION H |
| Thread Pitch Diameters | +2.8698 TO 2.8763 INCHES IN |
| Washer Thickness | 0.719 INCHES MINIMUM AND 0.781 INCHES MAXIMUM IN |
| Material Document and Classification | ASTM A584 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 2.938 INCHES IN |
| Nut Style | HEXAGON |
| Hole Nominal Thread Diameter | 0.312 INCHES IN |
| Thread Quantity Per Inch | 11-1/2 |
| Material | COPPER ALLOY 864 OVERALL |
| Hole Type and Quantity | 2 TAPPED |
| 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 |
|---|---|
| 810-2177518-05XX-31 | 3/2 Design control — primary reference U.S. Government activity |
| 803-2177518-05X X-31 | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
NSN 5310-01-134-5771 is a Nut,plain,extended Washer,hexago, classified under FSC 5310, Nuts and Washers. Status: active.
Key specifications for 5310-01-134-5771: Overall Height: 1.500 INCHES NOMINAL IN; Washer Outside Diameter: 4.367 INCHES MINIMUM AND 4.377 INCHES MAXIMUM IN; Width Across Flats: 3.719 INCHES MINIMUM AND 3.781 INCHES MAXIMUM IN; Hole Thread Quantity Per Inch: 18. 15 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.