The Nut,self-Locking,extended Washer, cataloged under National Stock Number 5310-01-565-1790, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Ace and Company, Inc Dba Stran Technologies. Government technical data includes 10 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 | 5310-01-565-1790 |
| Primary Part Number | 280-0022F00 |
| Item Name | Nut,self-Locking,extended Washer |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Ace and Company, Inc Dba Stran Technologies |
| Status | ACTIVE |
| Washer Outside Diameter | 0.500 INCHES NOMINAL IN |
| Width Across Flats | 0.940 INCHES NOMINAL IN |
| Thread Series | UNEF |
| Washer Thickness | 0.387 INCHES NOMINAL IN |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.750 INCHES IN |
| Nut Style | HEXAGON |
| Thread Class | 2B |
| Thread Quantity Per Inch | 20 |
| Material | ALUMINUM AND COPPER ALLOY 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 |
|---|---|
| 280-0022F00 PRIMARY | Ace and Company, Inc Dba Stran Technologies (USA) |
NSN 5310-01-565-1790 is a Nut,self-Locking,extended Washer, manufactured by Ace and Company, Inc Dba Stran Technologies, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-565-1790 has 1 manufacturer part number on file: 280-0022F00 (Ace and Company, Inc Dba Stran Technologies).
Key specifications for 280-0022F00: Overall Height: 0.970 INCHES NOMINAL IN; Washer Outside Diameter: 0.500 INCHES NOMINAL IN; Width Across Flats: 0.940 INCHES NOMINAL IN; Thread Series: UNEF. 10 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.