The Screw,cap,hexagon Head, cataloged under National Stock Number 5305-01-652-1337, 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 10 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5305-01-652-1337 |
| Primary Part Number | 12505457-004 |
| 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 | 0.510 INCHES MAXIMUM IN |
| Fastener Length | 1.75 INCHES NOMINAL IN |
| Extended Washer Diameter | 1.07 INCHES NOMINAL IN |
| Thread Length | 1.25 INCHES NOMINAL IN |
| Nominal Thread Diameter | 0.500 INCHES IN |
| Head Style | HEXAGON EXTENDED WASHER |
| Thread Direction | RIGHT-HAND |
| Width Between Flats | 0.736 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN |
| Thread Quantity Per Inch | 13 |
| 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 |
|---|---|
| 12505457-004 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| 3970536052 PRIMARY | Oshkosh Defense Llc (USA) |
| Reference | Meaning |
|---|---|
| 3970536 | D/9 Drawing number reference only Oshkosh Defense Llc |
NSN 5305-01-652-1337 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 5305-01-652-1337 has 2 manufacturer part numbers on file: 12505457-004 (U S Army Tank Automotive Command Amsta-Im-Mm), 3970536052 (Oshkosh Defense Llc).
Key specifications for 12505457-004: Head Height: 0.510 INCHES MAXIMUM IN; Fastener Length: 1.75 INCHES NOMINAL IN; Extended Washer Diameter: 1.07 INCHES NOMINAL IN; Thread Length: 1.25 INCHES NOMINAL IN. 10 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.