The Screw,cap,hexagon Head, cataloged under National Stock Number 5305-01-250-4644, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Naval Sea Systems Command. The record lists 3 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | Screw,cap,hexagon Head |
| FSC / FSG | 5305 — Screws (FSG 53) |
| Manufacturers | Naval Sea Systems Command (CAGE 53711); Huntington Ingalls Inc Div Newport News Shipbuilding (CAGE 43689) |
| Parameter | Value |
|---|---|
| NSN | 5305-01-250-4644 |
| Primary Part Number | 562-5588273 ITEM 178F |
| Item Name | Screw,cap,hexagon Head |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| 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 |
|---|---|
| 255454 PIECE 116 | Naval Sea Systems Command (USA) |
| 6504174 | Huntington Ingalls Inc Div Newport News Shipbuilding (USA) |
| 562-5588273 ITEM 178F PRIMARY | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| 562-5588273 178F | C/1 Advisory reference — outside the item-of-supply concept Naval Sea Systems Command |
| 562-5588273 # 1 78F | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
NSN 5305-01-250-4644 is a Screw,cap,hexagon Head, manufactured by Naval Sea Systems Command, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-250-4644 has 3 manufacturer part numbers on file: 255454 PIECE 116 (Naval Sea Systems Command), 6504174 (Huntington Ingalls Inc Div Newport News Shipbuilding), 562-5588273 ITEM 178F (Naval Sea Systems Command).
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.