The Screw,assembled Washer, cataloged under National Stock Number 5305-01-122-0459, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Kalmar AC Inc. Government technical data includes 12 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-122-0459 |
| Primary Part Number | 0928597-4 |
| Item Name | Screw,assembled Washer |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Kalmar AC Inc |
| Status | ACTIVE |
| Fastener Length | 0.625 INCHES NOMINAL IN |
| Thread Length | 0.542 INCHES MINIMUM AND 0.625 INCHES MAXIMUM IN |
| Nominal Thread Diameter | 0.190 INCHES IN |
| Head Style | FILLISTER |
| Thread Direction | RIGHT-HAND |
| Surface Treatment | CADMIUM OR ZINC FASTENER |
| Surface Treatment | CADMIUM OR ZINC PRIMARY WASHER |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 24 |
| Material | STEEL OVERALL |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Washer Quantity | 1 |
| 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 |
|---|---|
| 0928597-4 PRIMARY | Kalmar AC Inc (USA) |
| Reference | Meaning |
|---|---|
| 190601 | 5/9 Secondary reference Liberty Ventures Inti, Llc |
NSN 5305-01-122-0459 is a Screw,assembled Washer, manufactured by Kalmar AC Inc, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-122-0459 has 1 manufacturer part number on file: 0928597-4 (Kalmar AC Inc).
1 possible match (shared part number, not a government interchangeability claim): 5995-01-584-7718. Verify interchangeability with system specifications before substitution.
Key specifications for 0928597-4: Fastener Length: 0.625 INCHES NOMINAL IN; Thread Length: 0.542 INCHES MINIMUM AND 0.625 INCHES MAXIMUM IN; Nominal Thread Diameter: 0.190 INCHES IN; Head Style: FILLISTER. 12 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.