The Screw,cap,hexagon Head, cataloged under National Stock Number 5305-01-581-4507, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Isuzu Diesel of North America. Government technical data includes 5 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5305-01-581-4507 |
| Primary Part Number | 0-28050-860-0 |
| Item Name | Screw,cap,hexagon Head |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Isuzu Diesel of North America |
| Status | ACTIVE |
| Fastener Length | 12.0 MILLIMETERS NOMINAL MM |
| Supplementary Features | NHA: ENGINE/GENERATOR TG421-9003 |
| Nominal Thread Diameter | 6.0 MILLIMETERS MM |
| Thread Direction | RIGHT-HAND |
| Thread Series Designator | M |
| 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 |
|---|---|
| 0-28050-860-0 | Mack Boring & Parts Co (USA) |
| 0-28050-860-0 PRIMARY | Isuzu Diesel of North America (USA) |
| Reference | Meaning |
|---|---|
| 1005595 | 5/9 Secondary reference Dhs Systems Llc |
| 1005595 | 5/2 Secondary reference U.S. Government activity |
NSN 5305-01-581-4507 is a Screw,cap,hexagon Head, manufactured by Isuzu Diesel of North America, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-581-4507 has 2 manufacturer part numbers on file: 0-28050-860-0 (Mack Boring & Parts Co), 0-28050-860-0 (Isuzu Diesel of North America).
1 possible match (shared part number, not a government interchangeability claim): 3040-01-582-6696. Verify interchangeability with system specifications before substitution.
Key specifications for 0-28050-860-0: Fastener Length: 12.0 MILLIMETERS NOMINAL MM; Supplementary Features: NHA: ENGINE/GENERATOR TG421-9003; Nominal Thread Diameter: 6.0 MILLIMETERS MM; Thread Direction: RIGHT-HAND. 5 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.