The Screw,cap,hexagon Head, cataloged under National Stock Number 5305-01-110-4281, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is U S Army Tank Automotive Command Amsta-Im-Mm. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-110-4281 |
| Primary Part Number | 12296984 |
| Item Name | Screw,cap,hexagon Head |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | U S Army Tank Automotive Command Amsta-Im-Mm |
| Status | ACTIVE |
| Head Height | 0.312 INCHES MINIMUM AND 0.352 INCHES MAXIMUM IN |
| Fastener Length | 2.468 INCHES MINIMUM AND 2.602 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | QQ-P-416,TYPE 2,CLASS 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Thread Length | 2.016 INCHES MINIMUM AND 2.120 INCHES MAXIMUM IN |
| Hardness Rating | 25.0 ROCKWELL C MINIMUM AND 34.0 ROCKWELL C MAXIMUM OVERALL |
| Material Document and Classification | ASTM A576 ASSN STD SINGLE MATERIAL RESPONSE OR ASTM A108 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 | CADMIUM OVERALL |
| Countersink Angle | 25.0 DEGREES MINIMUM AND 35.0 DEGREES MAXIMUM |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 13 |
| Material | STEEL COMP 1040 OR STEEL COMP 1541 OR STEEL COMP 1042 OR STEEL COMP 1043 OR STEEL COMP 1044 OR STEEL COMP 1045 OR STEEL COMP 1046 OR STEEL COMP 1548 OR STEEL COMP 1049 OR STEEL COMP 1050 OVERALL |
| 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 |
| Part Number | Manufacturer |
|---|---|
| 12296984 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| Reference | Meaning |
|---|---|
| 10395890 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
NSN 5305-01-110-4281 is a Screw,cap,hexagon Head, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-110-4281 has 1 manufacturer part number on file: 12296984 (U S Army Tank Automotive Command Amsta-Im-Mm).
Key specifications for 12296984: Head Height: 0.312 INCHES MINIMUM AND 0.352 INCHES MAXIMUM IN; Fastener Length: 2.468 INCHES MINIMUM AND 2.602 INCHES MAXIMUM IN; Surface Treatment Document and Classification: QQ-P-416,TYPE 2,CLASS 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Thread Length: 2.016 INCHES MINIMUM AND 2.120 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.