The Bolt,machine, cataloged under National Stock Number 5306-00-481-9487, is classified within Federal Supply Class 5306 (Bolts) 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-00-481-9487 |
| Primary Part Number | 8754281 |
| Item Name | Bolt,machine |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | U S Army Tank Automotive Command Amsta-Im-Mm |
| Status | ACTIVE |
| Head Height | 0.280 INCHES NOMINAL IN |
| Fastener Length | 2.250 INCHES NOMINAL IN |
| Surface Treatment Document and Classification | QQ-P-416,TY 2,CL 3 FED SPEC 1ST TREATMENT RESPONSE OR QQ-Z-325,TY 2,CL 3 FED SPEC 2ND TREATMENT RESPONSE OVERALL |
| Thread Length | 1.120 INCHES MAXIMUM IN |
| Hardness Rating | 301.0 BRINELL HULTGREN MINIMUM AND 353.0 BRINELL HULTGREN MAXIMUM OVERALL |
| Material Document and Classification | QQ-S-624 FED SPEC ALL MATERIAL RESPONSES OVERALL |
| Nominal Thread Diameter | 0.438 INCHES IN |
| Features Provided | UNFINISHED HEAD |
| Head Style | HEXAGON |
| Thread Direction | RIGHT-HAND |
| Width Between Flats | 0.620 INCHES NOMINAL IN |
| Surface Treatment | CADMIUM OR ZINC OVERALL |
| Minimum Tensile Strength | 150000 POUNDS PER SQUARE INCH LBS |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 14 |
| Material | STEEL COMP 4135 OR STEEL COMP 4032 OR STEEL COMP 8640 OR STEEL COMP 8637 OR STEEL COMP 5140 OR STEEL COMP 8740 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 |
|---|---|
| 8754281 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| Reference | Meaning |
|---|---|
| 5306004819487 | 5/9 Secondary reference E.c.a Etablissement Centrald'approvisionnement Des Forces Armee |
NSN 5306-00-481-9487 is a Bolt,machine, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 5306, Bolts. Status: active.
NSN 5306-00-481-9487 has 1 manufacturer part number on file: 8754281 (U S Army Tank Automotive Command Amsta-Im-Mm).
Key specifications for 8754281: Head Height: 0.280 INCHES NOMINAL IN; Fastener Length: 2.250 INCHES NOMINAL IN; Surface Treatment Document and Classification: QQ-P-416,TY 2,CL 3 FED SPEC 1ST TREATMENT RESPONSE OR QQ-Z-325,TY 2,CL 3 FED SPEC 2ND TREATMENT RESPONSE OVERALL; Thread Length: 1.120 INCHES MAXIMUM IN. 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.