The Bolt,shoulder, cataloged under National Stock Number 5306-00-712-0253, 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 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-00-712-0253 |
| Primary Part Number | 7120253 |
| Item Name | Bolt,shoulder |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | U S Army Tank Automotive Command Amsta-Im-Mm |
| Status | ACTIVE |
| Head Height | 0.438 INCHES NOMINAL IN |
| Fastener Length | 1.500 INCHES NOMINAL IN |
| Shoulder Length | 0.750 INCHES MINIMUM AND 0.752 INCHES MAXIMUM FIRST SHOULDER IN |
| Shoulder Diameter | 0.4960 INCHES MINIMUM AND 0.4980 INCHES MAXIMUM FIRST SHOULDER IN |
| Thread Length | 0.688 INCHES MINIMUM IN |
| Shoulder Shape | ROUND FIRST SHOULDER |
| Material Document and Classification | QQ-S-634 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.375 INCHES IN |
| Head Style | HEXAGON |
| Thread Direction | RIGHT-HAND |
| Width Between Flats | 0.750 INCHES NOMINAL IN |
| Surface Treatment | PHOSPHATE OVERALL |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 24 |
| Material | STEEL COMP 1020 OVERALL |
| Thread Series Designator | UNF |
| 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 |
|---|---|
| 7120253 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
NSN 5306-00-712-0253 is a Bolt,shoulder, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 5306, Bolts. Status: active.
NSN 5306-00-712-0253 has 1 manufacturer part number on file: 7120253 (U S Army Tank Automotive Command Amsta-Im-Mm).
Key specifications for 7120253: Head Height: 0.438 INCHES NOMINAL IN; Fastener Length: 1.500 INCHES NOMINAL IN; Shoulder Length: 0.750 INCHES MINIMUM AND 0.752 INCHES MAXIMUM FIRST SHOULDER IN; Shoulder Diameter: 0.4960 INCHES MINIMUM AND 0.4980 INCHES MAXIMUM FIRST SHOULDER 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.