The Screw,assembled Washer, cataloged under National Stock Number 5305-00-592-9988, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is U S Army Tank Automotive Command Amsta-Im-Mm. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-00-592-9988 |
| Primary Part Number | 8359534 |
| Item Name | Screw,assembled Washer |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | U S Army Tank Automotive Command Amsta-Im-Mm |
| Status | ACTIVE |
| Nonmachine Nominal Thread Diameter | 0.164 INCHES IN |
| Head Height | 0.102 INCHES MINIMUM AND 0.113 INCHES MAXIMUM IN |
| Fastener Length | 0.625 INCHES NOMINAL IN |
| Primary Washer Outside Diameter | 0.327 INCHES MINIMUM AND 0.338 INCHES MAXIMUM IN |
| Thread Length | 0.605 INCHES MINIMUM IN |
| Nonmachine Thread Style | NARROW FLUTE (TYPE E) |
| Head Style | FILLISTER |
| Primary Washer Style | FLAT INTERNAL TEETH |
| Thread Direction | RIGHT-HAND |
| Primary Washer Material Thickness | 0.020 INCHES NOMINAL IN |
| Surface Treatment | CADMIUM OR ZINC OVERALL |
| Internal Drive Style | CROSS RECESS TYPE 1 |
| Material | STEEL OVERALL |
| Washer Quantity | 1 |
| Head Diameter | 0.250 INCHES MINIMUM AND 0.270 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 |
| Part Number | Manufacturer |
|---|---|
| 8359534 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| Reference | Meaning |
|---|---|
| 5305005929988 | 6/9 Informative reference only E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales |
NSN 5305-00-592-9988 is a Screw,assembled Washer, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 5305, Screws. Status: active.
NSN 5305-00-592-9988 has 1 manufacturer part number on file: 8359534 (U S Army Tank Automotive Command Amsta-Im-Mm).
Key specifications for 8359534: Nonmachine Nominal Thread Diameter: 0.164 INCHES IN; Head Height: 0.102 INCHES MINIMUM AND 0.113 INCHES MAXIMUM IN; Fastener Length: 0.625 INCHES NOMINAL IN; Primary Washer Outside Diameter: 0.327 INCHES MINIMUM AND 0.338 INCHES MAXIMUM 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.