The Screw,cap,socket Head, cataloged under National Stock Number 5305-01-491-8718, 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 14 specifications, cited from the U.S. Government catalog. The record lists 4 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-491-8718 |
| Primary Part Number | 12422586-001 |
| Item Name | Screw,cap,socket Head |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | U S Army Tank Automotive Command Amsta-Im-Mm |
| Status | ACTIVE |
| Width Across Flats | 0.219 INCHES NOMINAL IN |
| Head Height | 0.199 INCHES NOMINAL IN |
| Fastener Length | 1.250 INCHES NOMINAL IN |
| Thread Length | 1.250 INCHES NOMINAL IN |
| Nominal Thread Diameter | 0.375 INCHES IN |
| Head Style | BUTTON |
| Thread Direction | RIGHT-HAND |
| Minimum Tensile Strength | 100000 POUNDS PER SQUARE INCH LBS |
| Internal Drive Style | HEXAGON |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 16 |
| Material | STEEL CORROSION RESISTING OVERALL |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Head Diameter | 0.656 INCHES NOMINAL 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 |
|---|---|
| 12422586-001 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| 12422586-001 PRIMARY | Bae Systems Tactical Vehicle Systems Lp Dba Data Systems International Inc (USA) |
| 92949A626 | Mcmaster-Carr Supply Co (USA) |
| 12422586-001 | Amz Alabama Inc. (USA) |
NSN 5305-01-491-8718 is a Screw,cap,socket Head, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-491-8718 has 4 manufacturer part numbers on file: 12422586-001 (U S Army Tank Automotive Command Amsta-Im-Mm), 12422586-001 (Bae Systems Tactical Vehicle Systems Lp Dba Data Systems International Inc), 92949A626 (Mcmaster-Carr Supply Co), 12422586-001 (Amz Alabama Inc.).
Key specifications for 12422586-001: Width Across Flats: 0.219 INCHES NOMINAL IN; Head Height: 0.199 INCHES NOMINAL IN; Fastener Length: 1.250 INCHES NOMINAL IN; Thread Length: 1.250 INCHES NOMINAL IN. 14 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.