The Nut,plain,extended Washer,hexago, cataloged under National Stock Number 5310-01-617-2033, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. Government technical data includes 13 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5310-01-617-2033 |
| Item Name | Nut,plain,extended Washer,hexago |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Status | ACTIVE |
| Lubrication | OIL |
| Washer Outside Diameter | 4.662 INCHES MINIMUM AND 4.672 INCHES MAXIMUM IN |
| Width Across Flats | 4.03125 INCHES NOMINAL IN |
| Thread Series | UNS |
| Washer Thickness | 0.843 INCHES NOMINAL IN |
| Material Document and Classification | ASTM B584 CL A ALLOY NO.C86400 OR C86500 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Hazardous Substances | LEAD |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 3.128 INCHES IN |
| Nut Style | HEXAGON |
| Thread Class | 3B |
| Thread Quantity Per Inch | 11.5 |
| Material | COPPER ALLOY 861 OR COPPER ALLOY 862 OR COPPER ALLOY 863 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 |
|---|---|
| 803-7525143-41-5 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5310-01-617-2033 is a Nut,plain,extended Washer,hexago, classified under FSC 5310, Nuts and Washers. Status: active.
Key specifications for 5310-01-617-2033: Lubrication: OIL; Overall Height: 1.750 INCHES NOMINAL IN; Washer Outside Diameter: 4.662 INCHES MINIMUM AND 4.672 INCHES MAXIMUM IN; Width Across Flats: 4.03125 INCHES NOMINAL IN. 13 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.