The Bolt,externally Relieved Body, cataloged under National Stock Number 5306-00-680-6535, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. Government technical data includes 22 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-00-680-6535 |
| Item Name | Bolt,externally Relieved Body |
| FSC / FSG | 5306 / 53 — Bolts |
| Status | ACTIVE |
| Extended Washer Thickness | 0.050 INCHES NOMINAL IN |
| Head Height | 0.270 INCHES NOMINAL IN |
| Fastener Length | 0.745 INCHES NOMINAL IN |
| Extended Washer Diameter | 0.385 INCHES NOMINAL IN |
| Thread Length | 0.342 INCHES MINIMUM IN |
| Hardness Rating | 28.0 ROCKWELL C NOMINAL OVERALL |
| First Diameter From Head | 0.163 INCHES NOMINAL IN |
| Distance From Largest Bearing Surface of Head to End of Second Diameter | 0.275 INCHES NOMINAL IN |
| Nominal Thread Diameter | 0.190 INCHES IN |
| Distance From Largest Bearing Surface of Head to End of Third Diameter | 0.402 INCHES NOMINAL IN |
| Head Style | DOUBLE HEXAGON W/HOLE |
| Thread Direction | RIGHT-HAND |
| Second Diameter From Head | 0.203 INCHES NOMINAL IN |
| Width Between Flats | 0.251 INCHES NOMINAL IN |
| Distance From Largest Bearing Surface of Head to End of First Diameter | 0.062 INCHES NOMINAL IN |
| Externally Relieved Body Diameter Quantity | 3 |
| Surface Treatment | PASSIVATE OVERALL |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 32 |
| Material | STEEL COMP 1011 OVERALL |
| Third Diameter From Head | 0.171 INCHES NOMINAL IN |
| 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 | F |
| Reference | Meaning |
|---|---|
| 327B460P2 | 3/2 Design control — primary reference U.S. Government activity |
| 327B460P2 | 5/9 Secondary reference General Electric Company |
NSN 5306-00-680-6535 is a Bolt,externally Relieved Body, classified under FSC 5306, Bolts. Status: active.
Key specifications for 5306-00-680-6535: Extended Washer Thickness: 0.050 INCHES NOMINAL IN; Head Height: 0.270 INCHES NOMINAL IN; Fastener Length: 0.745 INCHES NOMINAL IN; Extended Washer Diameter: 0.385 INCHES NOMINAL IN. 22 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.