The Bolt,machine, cataloged under National Stock Number 5306-01-568-1078, 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 2 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-01-568-1078 |
| Primary Part Number | 12505457-010 |
| Item Name | Bolt,machine |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | U S Army Tank Automotive Command Amsta-Im-Mm |
| Status | ACTIVE |
| Head Height | 0.5 MILLIMETERS NOMINAL MM |
| Fastener Length | 0.8 MILLIMETERS NOMINAL MM |
| Surface Treatment Document and Classification | ASTM F1136 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| Extended Washer Diameter | 1.1 MILLIMETERS NOMINAL MM |
| Thread Length | 0.8 MILLIMETERS NOMINAL MM |
| Hardness Rating | 33.0 ROCKWELL C MINIMUM AND 39.0 ROCKWELL C MAXIMUM OVERALL |
| Material Document and Classification | SAE J429 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.500 INCHES IN |
| Head Style | HEXAGON EXTENDED WASHER |
| Thread Direction | RIGHT-HAND |
| Width Between Flats | 0.8 MILLIMETERS NOMINAL MM |
| Color | BLACK OVERALL |
| Surface Treatment | ALUMINUM AND ZINC OVERALL |
| 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 |
|---|---|
| 12505457-010 | Oshkosh Defense Llc (USA) |
| 12505457-010 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| Reference | Meaning |
|---|---|
| 12505457 | D/9 Drawing number reference only U S Army Tank Automotive Command Amsta-Im-Mm |
| 12505457-010 | 5/9 Secondary reference Oshkosh Corp |
NSN 5306-01-568-1078 is a Bolt,machine, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-568-1078 has 2 manufacturer part numbers on file: 12505457-010 (Oshkosh Defense Llc), 12505457-010 (U S Army Tank Automotive Command Amsta-Im-Mm).
Key specifications for 12505457-010: Head Height: 0.5 MILLIMETERS NOMINAL MM; Fastener Length: 0.8 MILLIMETERS NOMINAL MM; Surface Treatment Document and Classification: ASTM F1136 ASSN STD SINGLE TREATMENT RESPONSE OVERALL; Extended Washer Diameter: 1.1 MILLIMETERS NOMINAL MM. 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.