The Screw,assembled Washer, cataloged under National Stock Number 5305-01-032-6446, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Army Weapons Command Attn Amswe-Ree-S. Government technical data includes 14 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 | 5305-01-032-6446 |
| Primary Part Number | 425639 |
| Item Name | Screw,assembled Washer |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Army Weapons Command Attn Amswe-Ree-S |
| Status | ACTIVE |
| Head Height | 0.208 INCHES MINIMUM AND 0.230 INCHES MAXIMUM IN |
| Fastener Length | 0.625 INCHES MAXIMUM IN |
| Primary Washer Outside Diameter | 0.567 INCHES MINIMUM AND 0.580 INCHES MAXIMUM IN |
| Thread Length | 0.594 INCHES MINIMUM IN |
| Nominal Thread Diameter | 0.312 INCHES IN |
| Primary Washer Style | FLAT EXTERNAL TEETH |
| Thread Direction | RIGHT-HAND |
| Primary Washer Material Thickness | 0.030 INCHES NOMINAL IN |
| Width Between Flats | 0.489 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN |
| Internal Drive Style | W/O INTERNAL DRIVE |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 24 |
| Thread Series Designator | UNF |
| Washer Quantity | 1 |
| 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 |
|---|---|
| 425639 | Army Weapons Command Attn Amswe-Ree-S (USA) |
NSN 5305-01-032-6446 is a Screw,assembled Washer, manufactured by Army Weapons Command Attn Amswe-Ree-S, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-032-6446 has 1 manufacturer part number on file: 425639 (Army Weapons Command Attn Amswe-Ree-S).
Key specifications for 425639: Head Height: 0.208 INCHES MINIMUM AND 0.230 INCHES MAXIMUM IN; Fastener Length: 0.625 INCHES MAXIMUM IN; Primary Washer Outside Diameter: 0.567 INCHES MINIMUM AND 0.580 INCHES MAXIMUM IN; Thread Length: 0.594 INCHES MINIMUM IN. 14 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.