The Bolt,externally Relieved Body, cataloged under National Stock Number 5306-01-318-3285, 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18 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-01-318-3285 |
| Item Name | Bolt,externally Relieved Body |
| FSC / FSG | 5306 / 53 — Bolts |
| Status | ACTIVE |
| Head Height | 0.250 INCHES NOMINAL IN |
| Fastener Length | 1.310 INCHES NOMINAL IN |
| Thread Length | 0.420 INCHES NOMINAL IN |
| First Diameter From Head | 0.150 INCHES NOMINAL IN |
| Distance From Largest Bearing Surface of Head to End of Second Diameter | 0.620 INCHES NOMINAL IN |
| Nominal Thread Diameter | 0.190 INCHES IN |
| Distance From Largest Bearing Surface of Head to End of Third Diameter | 0.700 INCHES NOMINAL IN |
| Head Style | DOUBLE CHAMFER |
| Thread Direction | RIGHT-HAND |
| Second Diameter From Head | 0.226 INCHES NOMINAL IN |
| Point Style | CONE |
| Distance From Largest Bearing Surface of Head to End of First Diameter | 0.530 INCHES NOMINAL IN |
| Externally Relieved Body Diameter Quantity | 3 |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 32 |
| Material | STEEL COMP 303 OVERALL |
| Third Diameter From Head | 0.125 INCHES MINIMUM AND 0.130 INCHES MAXIMUM IN |
| Head Diameter | 0.380 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| SM-C-969244 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5306-01-318-3285 is a Bolt,externally Relieved Body, classified under FSC 5306, Bolts. Status: active.
Key specifications for 5306-01-318-3285: Head Height: 0.250 INCHES NOMINAL IN; Fastener Length: 1.310 INCHES NOMINAL IN; Thread Length: 0.420 INCHES NOMINAL IN; First Diameter From Head: 0.150 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.