The Bolt,externally Relieved Body, cataloged under National Stock Number 5306-01-524-0811, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. Government technical data includes 18 specifications, cited from the U.S. Government catalog. 7 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-01-524-0811 |
| Item Name | Bolt,externally Relieved Body |
| FSC / FSG | 5306 / 53 — Bolts |
| Status | ACTIVE |
| Extended Washer Thickness | 0.178 INCHES NOMINAL IN |
| Head Height | 0.711 INCHES NOMINAL IN |
| Surface Treatment Document and Classification | AMS-QQ-P-35 FED SPEC 1ST TREATMENT RESPONSE AND AMS-QQ-P-416, TYPE 2, CLASS 2 FED SPEC 2ND TREATMENT RESPONSE OVERALL |
| Extended Washer Diameter | 1.225 INCHES NOMINAL IN |
| Thread Length | 0.974 INCHES NOMINAL IN |
| Criticality Code Justification | AGAV |
| Material Document and Classification | AMS 5731 FED SPEC 1ST MATERIAL RESPONSE OR AMS 5732 FED SPEC 2ND MATERIAL RESPONSE OR AMS 5734 FED SPEC 3RD MATERIAL RESPONSE OR AMS 5737 FED SPEC 4TH MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.750 INCHES IN |
| Head Style | DOUBLE HEXAGON W/HOLE |
| Thread Direction | RIGHT-HAND |
| Width Between Flats | 0.582 INCHES NOMINAL IN |
| Externally Relieved Body Diameter Quantity | 2 |
| Surface Treatment | PASSIVATE AND CADMIUM OVERALL |
| Minimum Tensile Strength | 71100 POUNDS PER SQUARE INCH LBS |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 16 |
| Material | IRON ALLOY 660 OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | F |
| Reference | Meaning |
|---|---|
| 20-065-12108C | 5/9 Secondary reference Howmet Global Fastening Systems Inc |
| 20-065-12108C | 5/9 Secondary reference Saturn Fasteners Inc |
| 20-065-12108C | 5/9 Secondary reference Sps Technologies Llc Dba PB Fasteners Div PB Fasteners |
| 20-065-12108C | 3/2 Design control — primary reference U.S. Government activity |
| 20-065-12108C | 5/9 Secondary reference Sps Technologies, Llc Dba PB Fasteners |
| 20-065-12108C | 5/9 Secondary reference Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company |
| 20-065-12108C | 5/9 Secondary reference B & B Specialties Inc Dba Gs Aerospace Div Gs Aerospace |
NSN 5306-01-524-0811 is a Bolt,externally Relieved Body, classified under FSC 5306, Bolts. Status: active.
Key specifications for 5306-01-524-0811: Extended Washer Thickness: 0.178 INCHES NOMINAL IN; Head Height: 0.711 INCHES NOMINAL IN; Surface Treatment Document and Classification: AMS-QQ-P-35 FED SPEC 1ST TREATMENT RESPONSE AND AMS-QQ-P-416, TYPE 2, CLASS 2 FED SPEC 2ND TREATMENT RESPONSE OVERALL; Extended Washer Diameter: 1.225 INCHES NOMINAL IN. 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.