The Bolt,shoulder, cataloged under National Stock Number 5306-00-535-9136, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is Us Army Aviation and Missile Command. Government technical data includes 18 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 | 5306-00-535-9136 |
| Primary Part Number | 8524221 |
| Item Name | Bolt,shoulder |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Us Army Aviation and Missile Command |
| Status | ACTIVE |
| Head Height | 0.375 INCHES NOMINAL IN |
| Fastener Length | 2.188 INCHES NOMINAL IN |
| Shoulder Length | 1.500 INCHES NOMINAL FIRST SHOULDER IN |
| Surface Treatment Document and Classification | QQ-P-416,TY 2 CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Shoulder Diameter | 0.521 INCHES MINIMUM AND 0.526 INCHES MAXIMUM FIRST SHOULDER IN |
| Thread Length | 0.578 INCHES MINIMUM IN |
| Shoulder Shape | ROUND FIRST SHOULDER |
| Material Document and Classification | ASTM A400 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.500 INCHES IN |
| Head Style | SQUARE |
| Thread Direction | RIGHT-HAND |
| Width Between Flats | 0.875 INCHES NOMINAL IN |
| Surface Treatment | CADMIUM AND CHROMATE OVERALL |
| Minimum Yield Strength | 30000 POUNDS PER SQUARE INCH LBS |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 20 |
| Material | STEEL 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 |
|---|---|
| 8524221 PRIMARY | Us Army Aviation and Missile Command (USA) |
NSN 5306-00-535-9136 is a Bolt,shoulder, manufactured by Us Army Aviation and Missile Command, classified under FSC 5306, Bolts. Status: active.
NSN 5306-00-535-9136 has 1 manufacturer part number on file: 8524221 (Us Army Aviation and Missile Command).
Key specifications for 8524221: Head Height: 0.375 INCHES NOMINAL IN; Fastener Length: 2.188 INCHES NOMINAL IN; Shoulder Length: 1.500 INCHES NOMINAL FIRST SHOULDER IN; Surface Treatment Document and Classification: QQ-P-416,TY 2 CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL. 18 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.