The Screw,assembled Washer, cataloged under National Stock Number 5305-01-676-9053, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. Government technical data includes 25 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-676-9053 |
| Item Name | Screw,assembled Washer |
| FSC / FSG | 5305 / 53 — Screws |
| Status | ACTIVE |
| Head Height | 0.122 INCHES MINIMUM AND 0.132 INCHES MAXIMUM IN |
| Fastener Length | 0.592 INCHES MINIMUM AND 0.625 INCHES MAXIMUM IN |
| Secondary Washer Relationship to Primary Washer | NOT IDENTICAL |
| Surface Treatment Document and Classification | AMS2700, METHOD 1, CLASS 4 NATIONAL STD SINGLE TREATMENT RESPONSE OVERALL |
| Primary Washer Outside Diameter | 0.338 INCHES MINIMUM AND 0.348 INCHES MAXIMUM IN |
| Thread Length | 0.485 INCHES NOMINAL IN |
| Material Document and Classification | AMS-QQ-S-763 NATIONAL STD/SPEC ALL MATERIAL RESPONSES FASTENER |
| Material Document and Classification | AMS5516 ASSN STD 1ST MATERIAL RESPONSE PRIMARY WASHER |
| Secondary Washer Style | SPLIT HELICAL RING |
| Nominal Thread Diameter | 0.190 INCHES IN |
| Head Style | PAN |
| Primary Washer Style | FLAT |
| Thread Direction | RIGHT-HAND |
| Primary Washer Material Thickness | 0.029 INCHES MINIMUM AND 0.035 INCHES MAXIMUM IN |
| Specification/standard Data | 80205-NAS1301 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| Secondary Washer Outside Diameter | 0.337 INCHES MAXIMUM IN |
| Surface Treatment | PASSIVATE OVERALL |
| Internal Drive Style | CROSS RECESS TYPE II |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 32 |
| Material | STEEL COMP 302 OR STEEL COMP 304 OR STEEL COMP 384 FASTENER |
| Material | STEEL COMP 302 OR STEEL COMP 304 OR STEEL COMP 384 PRIMARY WASHER |
| Thread Series Designator | UNF |
| Washer Quantity | 2 |
| Head Diameter | 0.357 INCHES MINIMUM AND 0.373 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 |
|---|---|
| NAS1301C10-10 | 3/1 Design control — primary reference U.S. Government activity |
NSN 5305-01-676-9053 is a Screw,assembled Washer, classified under FSC 5305, Screws. Status: active.
Key specifications for 5305-01-676-9053: Head Height: 0.122 INCHES MINIMUM AND 0.132 INCHES MAXIMUM IN; Fastener Length: 0.592 INCHES MINIMUM AND 0.625 INCHES MAXIMUM IN; Secondary Washer Relationship to Primary Washer: NOT IDENTICAL; Surface Treatment Document and Classification: AMS2700, METHOD 1, CLASS 4 NATIONAL STD SINGLE TREATMENT RESPONSE OVERALL. 25 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.