The Screw,shoulder, cataloged under National Stock Number 5305-01-481-7254, 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 17 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-481-7254 |
| Primary Part Number | 12342440 |
| Item Name | Screw,shoulder |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | U S Army Tank Automotive Command Amsta-Im-Mm |
| Status | ACTIVE |
| Head Height | 0.152 INCHES MINIMUM AND 0.166 INCHES MAXIMUM IN |
| Fastener Length | 0.880 INCHES MAXIMUM IN |
| Shoulder Length | 0.360 INCHES MINIMUM AND 0.370 INCHES MAXIMUM GRIP IN |
| Surface Treatment Document and Classification | QQ-P-416,TYPE2,CLASS2 FED SPEC 1ST TREATMENT RESPONSE OVERALL |
| Shoulder Diameter | 0.312 INCHES MINIMUM AND 0.317 INCHES MAXIMUM GRIP IN |
| Thread Length | 0.510 INCHES MINIMUM AND 0.520 INCHES MAXIMUM IN |
| Shoulder Shape | ROUND GRIP |
| Material Document and Classification | GRADE8,SAEJ429 FED SPEC 1ST MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.250 INCHES IN |
| Head Style | PAN |
| Thread Direction | RIGHT-HAND |
| Surface Treatment | CADMIUM OVERALL |
| Internal Drive Style | HEXAGON |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 20 |
| Material | STEEL OVERALL |
| Head Diameter | 0.527 INCHES MINIMUM AND 0.547 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 |
|---|---|
| 12342440 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
NSN 5305-01-481-7254 is a Screw,shoulder, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-481-7254 has 1 manufacturer part number on file: 12342440 (U S Army Tank Automotive Command Amsta-Im-Mm).
Key specifications for 12342440: Head Height: 0.152 INCHES MINIMUM AND 0.166 INCHES MAXIMUM IN; Fastener Length: 0.880 INCHES MAXIMUM IN; Shoulder Length: 0.360 INCHES MINIMUM AND 0.370 INCHES MAXIMUM GRIP IN; Surface Treatment Document and Classification: QQ-P-416,TYPE2,CLASS2 FED SPEC 1ST TREATMENT RESPONSE OVERALL. 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.