The Setscrew, cataloged under National Stock Number 5305-00-227-1815, 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 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-00-227-1815 |
| Primary Part Number | 8332521 |
| Item Name | Setscrew |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | U S Army Tank Automotive Command Amsta-Im-Mm |
| Status | ACTIVE |
| Head Height | 0.990 INCHES MINIMUM AND 1.010 INCHES MAXIMUM IN |
| Point Length | 0.125 INCHES NOMINAL IN |
| Fastener Length | 2.110 INCHES MINIMUM AND 2.130 INCHES MAXIMUM IN |
| Thread Length | 1.120 INCHES MINIMUM IN |
| Material Document and Classification | QQ-S-637 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Point Chamfer Angle | 30.0 DEGREES MINIMUM |
| Nominal Thread Diameter | 0.312 INCHES IN |
| Head Style | HEXAGON |
| Thread Direction | RIGHT-HAND |
| Point Style | FLAT |
| Width Between Flats | 0.490 INCHES MINIMUM AND 0.510 INCHES MAXIMUM IN |
| Surface Treatment | CADMIUM AND CHROMATE OVERALL |
| Internal Drive Style | W/O INTERNAL DRIVE |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 18 |
| 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 |
NSN 5305-00-227-1815 is a Setscrew, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 5305, Screws. Status: active.
NSN 5305-00-227-1815 has 2 manufacturer part numbers on file: 8332521 (U S Army Tank Automotive Command Amsta-Im-Mm), 809689 (Am General Llc).
Key specifications for 8332521: Head Height: 0.990 INCHES MINIMUM AND 1.010 INCHES MAXIMUM IN; Point Length: 0.125 INCHES NOMINAL IN; Fastener Length: 2.110 INCHES MINIMUM AND 2.130 INCHES MAXIMUM IN; Thread Length: 1.120 INCHES MINIMUM 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.