The Bolt,machine, cataloged under National Stock Number 5306-00-846-3246, 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 16 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-00-846-3246 |
| Primary Part Number | 8675776 |
| Item Name | Bolt,machine |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | U S Army Tank Automotive Command Amsta-Im-Mm |
| Status | ACTIVE |
| Head Height | 0.736 INCHES NOMINAL IN |
| Fastener Length | 2.656 INCHES MINIMUM AND 2.750 INCHES MAXIMUM IN |
| Thread Length | 1.250 INCHES MINIMUM AND 1.438 INCHES MAXIMUM IN |
| Hardness Rating | 32.0 ROCKWELL C NOMINAL OVERALL |
| Material Document and Classification | GM-300-7 FSCM 24617 MFR REF SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.500 INCHES IN |
| Features Provided | UNFINISHED HEAD |
| Head Style | HEXAGON |
| Thread Direction | RIGHT-HAND |
| Width Between Flats | 0.736 INCHES MINIMUM IN |
| Locking Feature | DISTORTIONS BEARING SURFACE OF HEAD |
| Minimum Tensile Strength | 150000 POUNDS PER SQUARE INCH LBS |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 13 |
| Material | STEEL 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 |
|---|---|
| 121-403 | Cnh Industrial America Llc Dba Cnh America (USA) |
| 8675776 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| 9409203 | General Motors Corp (USA) |
| Reference | Meaning |
|---|---|
| A721050C275 | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
| 5306008463246 | 6/9 Informative reference only E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales |
NSN 5306-00-846-3246 is a Bolt,machine, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 5306, Bolts. Status: active.
NSN 5306-00-846-3246 has 3 manufacturer part numbers on file: 121-403 (Cnh Industrial America Llc Dba Cnh America), 8675776 (U S Army Tank Automotive Command Amsta-Im-Mm), 9409203 (General Motors Corp).
1 possible match (shared part number, not a government interchangeability claim): 3830-01-415-5675. Verify interchangeability with system specifications before substitution.
Key specifications for 8675776: Head Height: 0.736 INCHES NOMINAL IN; Fastener Length: 2.656 INCHES MINIMUM AND 2.750 INCHES MAXIMUM IN; Thread Length: 1.250 INCHES MINIMUM AND 1.438 INCHES MAXIMUM IN; Hardness Rating: 32.0 ROCKWELL C NOMINAL OVERALL. 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.