The Screw,cap,hexagon Head, cataloged under National Stock Number 5305-01-441-9207, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. Government technical data includes 17 specifications, cited from the U.S. Government catalog. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-441-9207 |
| Item Name | Screw,cap,hexagon Head |
| FSC / FSG | 5305 / 53 — Screws |
| Status | ACTIVE |
| Head Height | 0.226 INCHES MINIMUM AND 0.243 INCHES MAXIMUM IN |
| Fastener Length | 3.625 INCHES NOMINAL IN |
| Thread Length | 1.000 INCHES NOMINAL IN |
| Hardness Rating | 80.0 ROCKWELL B MINIMUM FASTENER |
| Material Document and Classification | QQ-N-281 FED SPEC SINGLE MATERIAL RESPONSE FASTENER |
| Nominal Thread Diameter | 0.375 INCHES IN |
| Head Style | HEXAGON |
| Thread Direction | RIGHT-HAND |
| Width Between Flats | 0.551 INCHES MINIMUM AND 0.562 INCHES MAXIMUM IN |
| Locking Feature | PATCH OR PELLET OR STRIP THREADS |
| Minimum Tensile Strength | 80000 POUNDS PER SQUARE INCH LBS |
| Minimum Yield Strength | 40000 POUNDS PER SQUARE INCH LBS |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 16 |
| Material | PLASTIC POLYAMIDE NYLON LOCKING FEATURE |
| Material | NICKEL ALLOY 400 FASTENER |
| 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 |
| Reference | Meaning |
|---|---|
| 6409800 ITEM TD-H4430-3, | 5/1 Secondary reference Naval Sea Systems Command |
| 211083495 | 5/1 Secondary reference U.S. Government activity |
| D4000019632-TD-H4430-3 | 5/1 Secondary reference U.S. Government activity |
| D4000019632-TD-H4430-3 | 5/9 Secondary reference Naval Sea Systems Command |
| M1222RN6C258NALN | 2/2 Government specification standardization U.S. Government activity |
| 211083495 | 5/9 Secondary reference Naval Sea Systems Command |
NSN 5305-01-441-9207 is a Screw,cap,hexagon Head, classified under FSC 5305, Screws. Status: active.
Key specifications for 5305-01-441-9207: Head Height: 0.226 INCHES MINIMUM AND 0.243 INCHES MAXIMUM IN; Fastener Length: 3.625 INCHES NOMINAL IN; Thread Length: 1.000 INCHES NOMINAL IN; Hardness Rating: 80.0 ROCKWELL B MINIMUM FASTENER. 17 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.