The Screw,cap,hexagon Head, cataloged under National Stock Number 5305-01-425-5183, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Naval Sea Systems Command. Government technical data includes 9 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-425-5183 |
| Primary Part Number | 516-6600807 ITEM F51 |
| Item Name | Screw,cap,hexagon Head |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Fastener Length | 2.000 INCHES NOMINAL IN |
| Material Document and Classification | NICUAL, CAGEC 43689 MFR REF SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.625 INCHES IN |
| Head Style | HEXAGON |
| Thread Direction | RIGHT-HAND |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 11 |
| Material | NICKEL ALLOY AND COPPER ALLOY AND ALUMINUM ALLOY OVERALL |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| 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 |
|---|---|
| 516-6600807 ITEM F51 PRIMARY | Naval Sea Systems Command (USA) |
| 516-5343915-F144 | Huntington Ingalls Inc Div Newport News Shipbuilding (USA) |
NSN 5305-01-425-5183 is a Screw,cap,hexagon Head, manufactured by Naval Sea Systems Command, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-425-5183 has 2 manufacturer part numbers on file: 516-6600807 ITEM F51 (Naval Sea Systems Command), 516-5343915-F144 (Huntington Ingalls Inc Div Newport News Shipbuilding).
Key specifications for 516-6600807 ITEM F51: Fastener Length: 2.000 INCHES NOMINAL IN; Material Document and Classification: NICUAL, CAGEC 43689 MFR REF SINGLE MATERIAL RESPONSE OVERALL; Nominal Thread Diameter: 0.625 INCHES IN; Head Style: HEXAGON. 9 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.