The Screw,assembled Washer, cataloged under National Stock Number 5305-00-159-1460, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. Government technical data includes 21 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-00-159-1460 |
| Item Name | Screw,assembled Washer |
| FSC / FSG | 5305 / 53 — Screws |
| Status | ACTIVE |
| Head Height | 0.057 INCHES MINIMUM AND 0.062 INCHES MAXIMUM IN |
| Fastener Length | 0.281 INCHES MINIMUM AND 0.343 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | ESF+5,FSCM 24655 MFR REF SINGLE TREATMENT RESPONSE FASTENER |
| Surface Treatment Document and Classification | ESF+5,FSCM 24655 MFR REF SINGLE TREATMENT RESPONSE PRIMARY WASHER |
| Primary Washer Outside Diameter | 0.245 INCHES MINIMUM AND 0.255 INCHES MAXIMUM IN |
| Thread Length | 0.250 INCHES MINIMUM AND 0.343 INCHES MAXIMUM IN |
| Nominal Thread Diameter | 0.138 INCHES IN |
| Head Style | FLAT CHAMFER |
| Primary Washer Style | FLAT EXTERNAL TEETH |
| Thread Direction | RIGHT-HAND |
| Primary Washer Material Thickness | 0.031 INCHES NOMINAL IN |
| Surface Treatment | NICKEL PRIMARY WASHER |
| Surface Treatment | NICKEL FASTENER |
| Internal Drive Style | CROSS RECESS TYPE 1 |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 16 |
| Material | COPPER ALLOY PRIMARY WASHER |
| Material | COPPER ALLOY FASTENER |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Washer Quantity | 1 |
| Head Diameter | 0.240 INCHES MINIMUM AND 0.260 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 |
|---|---|
| 7090-0300 | C/1 Advisory reference — outside the item-of-supply concept Technipower Llc Dba Unipower |
| 7090-0300 | 3/9 Design control — primary reference Genrad Inc |
| 7090-0300 | C/1 Advisory reference — outside the item-of-supply concept Iet Labs Inc |
NSN 5305-00-159-1460 is a Screw,assembled Washer, classified under FSC 5305, Screws. Status: active.
Key specifications for 5305-00-159-1460: Head Height: 0.057 INCHES MINIMUM AND 0.062 INCHES MAXIMUM IN; Fastener Length: 0.281 INCHES MINIMUM AND 0.343 INCHES MAXIMUM IN; Surface Treatment Document and Classification: ESF+5,FSCM 24655 MFR REF SINGLE TREATMENT RESPONSE FASTENER; Surface Treatment Document and Classification: ESF+5,FSCM 24655 MFR REF SINGLE TREATMENT RESPONSE PRIMARY WASHER. 21 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.