The Bolt,externally Relieved Body, cataloged under National Stock Number 5306-00-121-8071, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is Brp Us Inc. Government technical data includes 10 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-00-121-8071 |
| Primary Part Number | 309492 |
| Item Name | Bolt,externally Relieved Body |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Brp Us Inc |
| Status | ACTIVE |
| Head Height | 0.226 INCHES MINIMUM AND 0.243 INCHES MAXIMUM IN |
| Fastener Length | 2.126 INCHES MINIMUM AND 2.188 INCHES MAXIMUM IN |
| Thread Length | 0.475 INCHES NOMINAL IN |
| First Diameter From Head | 0.369 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN |
| Distance From Largest Bearing Surface of Head to End of Second Diameter | 1.713 INCHES NOMINAL IN |
| Head Style | HEXAGON |
| Second Diameter From Head | 0.225 INCHES MINIMUM AND 0.235 INCHES MAXIMUM IN |
| Width Between Flats | 0.562 INCHES NOMINAL IN |
| Distance From Largest Bearing Surface of Head to End of First Diameter | 1.688 INCHES NOMINAL IN |
| Thread Class | 2A A |
| 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 |
|---|---|
| 309492 PRIMARY | Brp Us Inc (USA) |
| Reference | Meaning |
|---|---|
| 309492 | 5/9 Secondary reference Outboard Marine Corp Johnson Motors Div |
NSN 5306-00-121-8071 is a Bolt,externally Relieved Body, manufactured by Brp Us Inc, classified under FSC 5306, Bolts. Status: active.
NSN 5306-00-121-8071 has 1 manufacturer part number on file: 309492 (Brp Us Inc).
Key specifications for 309492: Head Height: 0.226 INCHES MINIMUM AND 0.243 INCHES MAXIMUM IN; Fastener Length: 2.126 INCHES MINIMUM AND 2.188 INCHES MAXIMUM IN; Thread Length: 0.475 INCHES NOMINAL IN; First Diameter From Head: 0.369 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN. 10 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.