The Bolt,shoulder, cataloged under National Stock Number 5306-00-522-6511, 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 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-00-522-6511 |
| Primary Part Number | 7520764 |
| 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 NOMINAL IN |
| Fastener Length | 2.815 INCHES MINIMUM AND 2.845 INCHES MAXIMUM IN |
| Shoulder Length | 1.005 INCHES MINIMUM AND 1.015 INCHES MAXIMUM ALL SHOULDERS IN |
| Shoulder Diameter | 0.746 INCHES MINIMUM AND 0.748 INCHES MAXIMUM FIRST SHOULDER IN |
| Shoulder Diameter | 0.622 INCHES MINIMUM AND 0.624 INCHES MAXIMUM SECOND SHOULDER IN |
| Thread Length | 0.642 INCHES MINIMUM AND 0.712 INCHES MAXIMUM IN |
| Shoulder Shape | ROUND FIRST SHOULDER |
| Material Document and Classification | QQ-S-624 FED SPEC ALL MATERIAL RESPONSES OVERALL |
| Nominal Thread Diameter | 0.500 INCHES IN |
| Head Style | HEXAGON |
| Thread Direction | RIGHT-HAND |
| Width Between Flats | 0.875 INCHES NOMINAL IN |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 20 |
| Material | STEEL COMP 3135 OR STEEL COMP 8640 OR STEEL COMP 8740 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 |
NSN 5306-00-522-6511 is a Bolt,shoulder, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 5306, Bolts. Status: active.
NSN 5306-00-522-6511 has 2 manufacturer part numbers on file: 7520764 (U S Army Tank Automotive Command Amsta-Im-Mm), 5226511 (U S Army Tank Automotive Command Amsta-Im-Mm).
Key specifications for 7520764: Head Height: 0.250 INCHES NOMINAL IN; Fastener Length: 2.815 INCHES MINIMUM AND 2.845 INCHES MAXIMUM IN; Shoulder Length: 1.005 INCHES MINIMUM AND 1.015 INCHES MAXIMUM ALL SHOULDERS IN; Shoulder Diameter: 0.746 INCHES MINIMUM AND 0.748 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.