The Bolt,shoulder, cataloged under National Stock Number 5306-01-308-4265, 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 19 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-01-308-4265 |
| Primary Part Number | 12300595-1 |
| Item Name | Bolt,shoulder |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | U S Army Tank Automotive Command Amsta-Im-Mm |
| Status | ACTIVE |
| Head Height | 0.250 INCHES MINIMUM AND 0.280 INCHES MAXIMUM IN |
| Fastener Length | 3.625 INCHES NOMINAL IN |
| Shoulder Length | 2.125 INCHES NOMINAL FIRST SHOULDER IN |
| Surface Treatment Document and Classification | DOD-P-16232,TY Z,CL 2 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Shoulder Diameter | 0.622 INCHES MINIMUM AND 0.628 INCHES MAXIMUM FIRST SHOULDER IN |
| Thread Length | 1.500 INCHES NOMINAL IN |
| Shoulder Shape | ROUND FIRST SHOULDER |
| Shank Unthreaded Hole Diameter | 0.125 INCHES MINIMUM AND 0.187 INCHES MAXIMUM FIRST HOLE IN |
| Material Document and Classification | SAE J429 GR 8 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.625 INCHES IN |
| Head Style | HEXAGON |
| Thread Direction | RIGHT-HAND |
| Width Between Flats | 0.922 INCHES MINIMUM AND 0.938 INCHES MAXIMUM IN |
| Surface Treatment | PHOSPHATE ZINC OVERALL |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 18 |
| Material | STEEL OVERALL |
| Thread Series Designator | UNF |
| Distance From Head Largest Bearing Surface to Shank Hole Center | 3.507 INCHES NOMINAL FIRST HOLE IN |
| 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 |
|---|---|
| 12300595-1 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
NSN 5306-01-308-4265 is a Bolt,shoulder, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-308-4265 has 1 manufacturer part number on file: 12300595-1 (U S Army Tank Automotive Command Amsta-Im-Mm).
Key specifications for 12300595-1: Head Height: 0.250 INCHES MINIMUM AND 0.280 INCHES MAXIMUM IN; Fastener Length: 3.625 INCHES NOMINAL IN; Shoulder Length: 2.125 INCHES NOMINAL FIRST SHOULDER IN; Surface Treatment Document and Classification: DOD-P-16232,TY Z,CL 2 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL. 19 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.