The Screw,cap,socket Head, cataloged under National Stock Number 5305-01-421-0584, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Klune Industries Inc. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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.
| Item Name | Screw,cap,socket Head |
| FSC / FSG | 5305 — Screws (FSG 53) |
| Manufacturers | Klune Industries Inc (CAGE 65823) |
| Parameter | Value |
|---|---|
| NSN | 5305-01-421-0584 |
| Primary Part Number | SS800-63 |
| Item Name | Screw,cap,socket Head |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Klune Industries Inc |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Part Number | Manufacturer |
|---|---|
| SS800-63 PRIMARY | Klune Industries Inc (USA) |
| Reference | Meaning |
|---|---|
| SS800-63 | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
NSN 5305-01-421-0584 is a Screw,cap,socket Head, manufactured by Klune Industries Inc, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-421-0584 has 1 manufacturer part number on file: SS800-63 (Klune Industries Inc).
1 possible match (shared part number, not a government interchangeability claim): 5305-01-421-1938. Verify interchangeability with system specifications before substitution.
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.