The Screw,assembled Washer, cataloged under National Stock Number 5305-01-666-4819, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Fastenal Company Dba Fastenel Co. Government technical data includes 15 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 | 5305-01-666-4819 |
| Primary Part Number | 0163122 |
| Item Name | Screw,assembled Washer |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Fastenal Company Dba Fastenel Co |
| Status | ACTIVE |
| Head Height | 0.080 INCHES MINIMUM AND 0.093 INCHES MAXIMUM IN |
| Fastener Length | 0.375 INCHES NOMINAL IN |
| Primary Washer Outside Diameter | 0.307 INCHES MINIMUM AND 0.320 INCHES MAXIMUM IN |
| Nominal Thread Diameter | 0.25 INCHES IN |
| Head Style | HEXAGON |
| Primary Washer Style | FLAT |
| Primary Washer Material Thickness | 0.039 INCHES MINIMUM AND 0.061 INCHES MAXIMUM IN |
| Width Between Flats | 0.244 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN |
| Minimum Tensile Strength | 60000 POUNDS PER SQUARE INCH LBS |
| Internal Drive Style | SLOT |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 32 |
| Material | STEEL OVERALL |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| 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 |
|---|---|
| 0163122 PRIMARY | Fastenal Company Dba Fastenel Co (USA) |
NSN 5305-01-666-4819 is a Screw,assembled Washer, manufactured by Fastenal Company Dba Fastenel Co, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-666-4819 has 1 manufacturer part number on file: 0163122 (Fastenal Company Dba Fastenel Co).
Key specifications for 0163122: Head Height: 0.080 INCHES MINIMUM AND 0.093 INCHES MAXIMUM IN; Fastener Length: 0.375 INCHES NOMINAL IN; Primary Washer Outside Diameter: 0.307 INCHES MINIMUM AND 0.320 INCHES MAXIMUM IN; Nominal Thread Diameter: 0.25 INCHES IN. 15 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.