The Nut,self-Locking,extended Washer, cataloged under National Stock Number 5310-01-540-8098, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Naval Air Warfare Ctr Aircraft Div. Government technical data includes 11 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-540-8098 |
| Primary Part Number | 43042-00296-1 |
| Item Name | Nut,self-Locking,extended Washer |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Naval Air Warfare Ctr Aircraft Div |
| Status | ACTIVE |
| Washer Outside Diameter | 1.625 INCHES NOMINAL IN |
| Width Across Flats | 1.300 INCHES MINIMUM AND 1.305 INCHES MAXIMUM IN |
| Thread Series | UNF |
| Washer Thickness | 0.125 INCHES NOMINAL IN |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.500 INCHES IN |
| Locking Feature | PREVAILING TORQUE ALL METAL DESIGN |
| Nut Style | HEXAGON |
| Thread Class | 3B |
| Thread Quantity Per Inch | 20 |
| Material | STEEL COMP 41L40 AND STEEL COMP 41L50 OVERALL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 43042-00296-1 PRIMARY | Naval Air Warfare Ctr Aircraft Div (USA) |
NSN 5310-01-540-8098 is a Nut,self-Locking,extended Washer, manufactured by Naval Air Warfare Ctr Aircraft Div, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-540-8098 has 1 manufacturer part number on file: 43042-00296-1 (Naval Air Warfare Ctr Aircraft Div).
Key specifications for 43042-00296-1: Overall Height: 0.500 INCHES NOMINAL IN; Washer Outside Diameter: 1.625 INCHES NOMINAL IN; Width Across Flats: 1.300 INCHES MINIMUM AND 1.305 INCHES MAXIMUM IN; Thread Series: UNF. 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.