The Screw,cap,socket Head, cataloged under National Stock Number 5305-01-248-4472, 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 13 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-248-4472 |
| Primary Part Number | 400-5530886 ITEM 43 |
| Item Name | Screw,cap,socket Head |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Huntington Ingalls Inc Div Newport News Shipbuilding |
| Status | ACTIVE |
| Width Across Flats | 0.312 INCHES NOMINAL IN |
| Fastener Length | 1.500 INCHES NOMINAL IN |
| Material Document and Classification | QQ-N-281 CL A FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.500 INCHES IN |
| Head Style | FLAT COUNTERSUNK |
| Thread Direction | RIGHT-HAND |
| Internal Drive Style | HEXAGON |
| Countersink Angle | 80.0 DEGREES MINIMUM AND 84.0 DEGREES MAXIMUM |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 13 |
| Material | NICKEL ALLOY 400 OVERALL |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Head Diameter | 0.872 INCHES MINIMUM AND 0.938 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 |
|---|---|
| 400-5530886 ITEM 43 PRIMARY | Huntington Ingalls Inc Div Newport News Shipbuilding (USA) |
| Reference | Meaning |
|---|---|
| 9762420 | 5/9 Secondary reference Huntington Ingalls Inc Div Newport News Shipbuilding |
| 6750-607 ITEM 43 | 5/9 Secondary reference Huntington Ingalls Inc Div Newport News Shipbuilding |
| 400-5530886 | 5/9 Secondary reference Huntington Ingalls Inc Div Newport News Shipbuilding |
| 400-5530886 ITEM 43 | 5/9 Secondary reference Naval Sea Systems Command |
NSN 5305-01-248-4472 is a Screw,cap,socket Head, manufactured by Huntington Ingalls Inc Div Newport News Shipbuilding, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-248-4472 has 1 manufacturer part number on file: 400-5530886 ITEM 43 (Huntington Ingalls Inc Div Newport News Shipbuilding).
Key specifications for 400-5530886 ITEM 43: Width Across Flats: 0.312 INCHES NOMINAL IN; Fastener Length: 1.500 INCHES NOMINAL IN; Material Document and Classification: QQ-N-281 CL A FED SPEC SINGLE MATERIAL RESPONSE OVERALL; Nominal Thread Diameter: 0.500 INCHES IN. 13 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.