The Screw,assembled Washer, cataloged under National Stock Number 5305-00-807-9043, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. Government technical data includes 17 specifications, cited from the U.S. Government catalog. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-00-807-9043 |
| Item Name | Screw,assembled Washer |
| FSC / FSG | 5305 / 53 — Screws |
| Status | ACTIVE |
| Fastener Length | 0.656 INCHES MINIMUM AND 0.687 INCHES MAXIMUM IN |
| Primary Washer Outside Diameter | 0.645 INCHES MINIMUM AND 0.665 INCHES MAXIMUM IN |
| Thread Length | 0.562 INCHES MINIMUM IN |
| Hardness Rating | 28.0 ROCKWELL C MINIMUM AND 34.0 ROCKWELL C MAXIMUM OVERALL |
| Nominal Thread Diameter | 0.190 INCHES IN |
| Head Style | FLAT COUNTERSUNK |
| Primary Washer Style | DOME INTERNAL TEETH |
| Thread Direction | RIGHT-HAND |
| Primary Washer Material Thickness | 0.017 INCHES NOMINAL IN |
| Internal Drive Style | CROSS RECESS TYPE 1 |
| Countersink Angle | 100.0 DEGREES NOMINAL |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 32 |
| Material | STEEL COMP 1022 OR STEEL COMP 1050 OVERALL |
| Thread Series Designator | UNF |
| Washer Quantity | 1 |
| Head Diameter | 0.340 INCHES MINIMUM AND 0.380 INCHES MAXIMUM IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| CA3105-1032-11 | 5/9 Secondary reference Semblex Corporation |
| H63-101115-54 | 5/9 Secondary reference Itw Shakeproof Automotive Products |
| CA3105-1032-11 | 3/2 Design control — primary reference U.S. Government activity |
| CA3105-1032-11 | 3/9 Design control — primary reference Itw Shakeproof Automotive Products |
NSN 5305-00-807-9043 is a Screw,assembled Washer, classified under FSC 5305, Screws. Status: active.
Key specifications for 5305-00-807-9043: Fastener Length: 0.656 INCHES MINIMUM AND 0.687 INCHES MAXIMUM IN; Primary Washer Outside Diameter: 0.645 INCHES MINIMUM AND 0.665 INCHES MAXIMUM IN; Thread Length: 0.562 INCHES MINIMUM IN; Hardness Rating: 28.0 ROCKWELL C MINIMUM AND 34.0 ROCKWELL C MAXIMUM OVERALL. 17 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.