The Bolt,externally Relieved Body, cataloged under National Stock Number 5306-01-015-0667, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. Government technical data includes 15 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5306-01-015-0667 |
| Item Name | Bolt,externally Relieved Body |
| FSC / FSG | 5306 / 53 — Bolts |
| Status | ACTIVE |
| Head Height | 0.150 INCHES MINIMUM AND 0.172 INCHES MAXIMUM IN |
| Fastener Length | 1.234 INCHES MINIMUM AND 1.266 INCHES MAXIMUM IN |
| Thread Length | 0.349 INCHES MINIMUM AND 0.391 INCHES MAXIMUM IN |
| First Diameter From Head | 0.170 INCHES MINIMUM AND 0.180 INCHES MAXIMUM IN |
| Nominal Thread Diameter | 0.250 INCHES IN |
| Head Style | HEXAGON |
| Thread Direction | RIGHT-HAND |
| Width Between Flats | 0.433 INCHES MINIMUM AND 0.443 INCHES MAXIMUM IN |
| Distance From Largest Bearing Surface of Head to End of First Diameter | 0.843 INCHES MINIMUM AND 0.917 INCHES MAXIMUM IN |
| Externally Relieved Body Diameter Quantity | 1 |
| Surface Treatment | PASSIVATE OVERALL |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 20 |
| Material | STEEL CORROSION RESISTING OVERALL |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| 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 |
|---|---|
| 6247-SS-2520 | 3/9 Design control — primary reference New Haven Mfg Corp Amatom Electronic Hardware Div |
| 6247-SS-2520 | C/1 Advisory reference — outside the item-of-supply concept Carey Manufacturing Co, Inc Dba Amatom Electronic Hardware Div Amatom Electronic Hardware |
NSN 5306-01-015-0667 is a Bolt,externally Relieved Body, classified under FSC 5306, Bolts. Status: active.
Key specifications for 5306-01-015-0667: Head Height: 0.150 INCHES MINIMUM AND 0.172 INCHES MAXIMUM IN; Fastener Length: 1.234 INCHES MINIMUM AND 1.266 INCHES MAXIMUM IN; Thread Length: 0.349 INCHES MINIMUM AND 0.391 INCHES MAXIMUM IN; First Diameter From Head: 0.170 INCHES MINIMUM AND 0.180 INCHES MAXIMUM IN. 15 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.