The Nut,plain,extended Washer,hexago, cataloged under National Stock Number 5310-00-045-1935, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is The Boeing Company. Government technical data includes 12 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-045-1935 |
| Primary Part Number | A02R2894-2 |
| Item Name | Nut,plain,extended Washer,hexago |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | The Boeing Company |
| Status | ACTIVE |
| Washer Outside Diameter | 1.050 INCHES NOMINAL IN |
| Width Across Flats | 0.738 INCHES MINIMUM AND 0.752 INCHES MAXIMUM IN |
| Thread Series | UNF |
| Washer Thickness | 0.125 INCHES NOMINAL IN |
| Material Document and Classification | AMS 5643 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.500 INCHES IN |
| Surface Treatment | PASSIVATE OVERALL |
| Nut Style | HEXAGON |
| Thread Class | 3B |
| Thread Quantity Per Inch | 20 |
| Material | STEEL COMP 630 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 |
|---|---|
| A02R2894-2 PRIMARY | The Boeing Company (USA) |
| Reference | Meaning |
|---|---|
| A02R2894-2 | 5/2 Secondary reference U.S. Government activity |
NSN 5310-00-045-1935 is a Nut,plain,extended Washer,hexago, manufactured by The Boeing Company, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-045-1935 has 1 manufacturer part number on file: A02R2894-2 (The Boeing Company).
Key specifications for A02R2894-2: Overall Height: 0.438 INCHES NOMINAL IN; Washer Outside Diameter: 1.050 INCHES NOMINAL IN; Width Across Flats: 0.738 INCHES MINIMUM AND 0.752 INCHES MAXIMUM IN; Thread Series: UNF. 12 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.