The Screw,cap,socket Head, cataloged under National Stock Number 5305-01-254-4189, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Huntington Ingalls Inc Div Newport News Shipbuilding. Government technical data includes 14 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-254-4189 |
| Primary Part Number | 9762055 |
| Item Name | Screw,cap,socket Head |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Huntington Ingalls Inc Div Newport News Shipbuilding |
| Status | ACTIVE |
| Width Across Flats | 0.250 INCHES NOMINAL IN |
| Head Height | 0.306 INCHES MINIMUM AND 0.312 INCHES MAXIMUM IN |
| Fastener Length | 1.750 INCHES NOMINAL IN |
| Thread Length | 1.120 INCHES MINIMUM AND 1.710 INCHES MAXIMUM IN |
| Material Document and Classification | QQ-N-281 CL A FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.312 INCHES IN |
| Head Style | FLAT CHAMFER |
| Thread Direction | RIGHT-HAND |
| Internal Drive Style | HEXAGON |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 18 |
| Material | NICKEL ALLOY 400 OVERALL |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Head Diameter | 0.457 INCHES MINIMUM AND 0.469 INCHES MAXIMUM IN |
| 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 |
|---|---|
| 9762055 PRIMARY | Huntington Ingalls Inc Div Newport News Shipbuilding (USA) |
| 400-5530886 ITEM 45 | Naval Sea Systems Command (USA) |
| 6750-607 ITEM 45 | Huntington Ingalls Inc Div Newport News Shipbuilding (USA) |
NSN 5305-01-254-4189 is a Screw,cap,socket Head, manufactured by Huntington Ingalls Inc Div Newport News Shipbuilding, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-254-4189 has 3 manufacturer part numbers on file: 9762055 (Huntington Ingalls Inc Div Newport News Shipbuilding), 400-5530886 ITEM 45 (Naval Sea Systems Command), 6750-607 ITEM 45 (Huntington Ingalls Inc Div Newport News Shipbuilding).
Key specifications for 9762055: Width Across Flats: 0.250 INCHES NOMINAL IN; Head Height: 0.306 INCHES MINIMUM AND 0.312 INCHES MAXIMUM IN; Fastener Length: 1.750 INCHES NOMINAL IN; Thread Length: 1.120 INCHES MINIMUM AND 1.710 INCHES MAXIMUM IN. 14 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.