The Screw,cap,hexagon Head, cataloged under National Stock Number 5305-01-411-0853, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Bae Systems Land & Armaments L.p.. Government technical data includes 16 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 | 5305-01-411-0853 |
| Primary Part Number | 12365830 |
| Item Name | Screw,cap,hexagon Head |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Bae Systems Land & Armaments L.p. |
| Status | ACTIVE |
| Head Height | 0.302 INCHES MINIMUM AND 0.323 INCHES MAXIMUM IN |
| Fastener Length | 2.406 INCHES MINIMUM AND 2.500 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | STM B633 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| Thread Length | 2.375 INCHES MINIMUM AND 2.406 INCHES MAXIMUM IN |
| Hardness Rating | 32.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM OVERALL |
| Material Document and Classification | SAE J429 GR8 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.500 INCHES IN |
| Head Style | HEXAGON |
| Thread Direction | RIGHT-HAND |
| Width Between Flats | 0.736 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN |
| Surface Treatment | ZINC AND CHROMATE OVERALL |
| Minimum Tensile Strength | 150000 POUNDS PER SQUARE INCH LBS |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 20 |
| Material | STEEL CORROSION RESISTING OVERALL |
| Thread Series Designator | UNF |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
NSN 5305-01-411-0853 is a Screw,cap,hexagon Head, manufactured by Bae Systems Land & Armaments L.p., classified under FSC 5305, Screws. Status: active.
NSN 5305-01-411-0853 has 3 manufacturer part numbers on file: 12365830 (Bae Systems Land & Armaments L.p.), 12365830 (U S Army Tank Automotive Command Amsta-Im-Mm), 12365830 (Amz Alabama Inc.).
Key specifications for 12365830: Head Height: 0.302 INCHES MINIMUM AND 0.323 INCHES MAXIMUM IN; Fastener Length: 2.406 INCHES MINIMUM AND 2.500 INCHES MAXIMUM IN; Surface Treatment Document and Classification: STM B633 ASSN STD SINGLE TREATMENT RESPONSE OVERALL; Thread Length: 2.375 INCHES MINIMUM AND 2.406 INCHES MAXIMUM 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.