The Screw,cap,socket Head, cataloged under National Stock Number 5305-01-476-9835, 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 16 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5305-01-476-9835 |
| Primary Part Number | 100-4638820-201 |
| Item Name | Screw,cap,socket Head |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Huntington Ingalls Inc Div Newport News Shipbuilding |
| Status | ACTIVE |
| Width Across Flats | 0.500 INCHES NOMINAL IN |
| Head Height | 0.396 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN |
| Fastener Length | 1.875 INCHES MAXIMUM IN |
| Thread Length | 1.875 INCHES NOMINAL IN |
| Material Document and Classification | QQ-N-281,CLASSA FED SPEC 1ST MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.750 INCHES IN |
| Head Style | FLAT COUNTERSUNK |
| Thread Direction | RIGHT-HAND |
| Nondefinitive Spec/std Data | 4 TYPE |
| Locking Feature | STRIP OR PATCH THREADS |
| Internal Drive Style | HEXAGON |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 10 |
| Material | NICKEL ALLOY 400 OVERALL |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Head Diameter | 1.355 INCHES MINIMUM AND 1.438 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 |
|---|---|
| 100-4638820-201 PRIMARY | Huntington Ingalls Inc Div Newport News Shipbuilding (USA) |
| Reference | Meaning |
|---|---|
| 0.750-10UNC-2AX 1.875IN.MONEL | 5/9 Secondary reference Zf Industrieantriebe Witten Gmbh |
| FF-S-86 | 5/9 Secondary reference U.S. Government activity |
| 0.750-10UNC-2AX1.875IN. MONEL | 5/9 Secondary reference U.S. Government activity |
| 0.750-10UNC-3AX 1.875IN.MONEL | 5/2 Secondary reference U.S. Government activity |
NSN 5305-01-476-9835 is a Screw,cap,socket Head, manufactured by Huntington Ingalls Inc Div Newport News Shipbuilding, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-476-9835 has 1 manufacturer part number on file: 100-4638820-201 (Huntington Ingalls Inc Div Newport News Shipbuilding).
Key specifications for 100-4638820-201: Width Across Flats: 0.500 INCHES NOMINAL IN; Head Height: 0.396 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN; Fastener Length: 1.875 INCHES MAXIMUM IN; Thread Length: 1.875 INCHES NOMINAL IN. 16 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.