The Screw,assembled Washer, cataloged under National Stock Number 5305-00-357-4210, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Lexmark International, Inc. Dba Lexmark. Government technical data includes 18 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 | 5305-00-357-4210 |
| Primary Part Number | 1175866 |
| Item Name | Screw,assembled Washer |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Lexmark International, Inc. Dba Lexmark |
| Status | ACTIVE |
| Width Across Flats | 0.109 INCHES NOMINAL IN |
| Head Height | 0.141 INCHES NOMINAL IN |
| Fastener Length | 1.125 INCHES NOMINAL IN |
| Primary Washer Outside Diameter | 0.312 INCHES NOMINAL IN |
| Thread Length | 1.125 INCHES NOMINAL IN |
| Nominal Thread Diameter | 0.138 INCHES IN |
| Head Style | PAN NO. 2 |
| Primary Washer Style | FLAT |
| Thread Direction | RIGHT-HAND |
| Primary Washer Material Thickness | 0.046 INCHES NOMINAL IN |
| Surface Treatment | CADMIUM OVERALL |
| Internal Drive Style | HEXAGON |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 32 |
| Material | STEEL OVERALL |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Washer Quantity | 1 |
| Head Diameter | 0.219 INCHES NOMINAL IN |
| 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 |
|---|---|
| 1175866 PRIMARY | Lexmark International, Inc. Dba Lexmark (USA) |
NSN 5305-00-357-4210 is a Screw,assembled Washer, manufactured by Lexmark International, Inc. Dba Lexmark, classified under FSC 5305, Screws. Status: active.
NSN 5305-00-357-4210 has 1 manufacturer part number on file: 1175866 (Lexmark International, Inc. Dba Lexmark).
Key specifications for 1175866: Width Across Flats: 0.109 INCHES NOMINAL IN; Head Height: 0.141 INCHES NOMINAL IN; Fastener Length: 1.125 INCHES NOMINAL IN; Primary Washer Outside Diameter: 0.312 INCHES NOMINAL IN. 18 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.