The Bolt,externally Relieved Body, cataloged under National Stock Number 5306-01-157-8361, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is Rolls-Royce Plc Div Defense (europe). Government technical data includes 16 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-01-157-8361 |
| Primary Part Number | B486450 |
| Item Name | Bolt,externally Relieved Body |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Rolls-Royce Plc Div Defense (europe) |
| Status | ACTIVE |
| Head Height | 0.150 INCHES NOMINAL IN |
| Fastener Length | 1.000 INCHES NOMINAL IN |
| Distance From Centerline to Flat | 0.187 INCHES MINIMUM AND 0.192 INCHES MAXIMUM IN |
| Thread Length | 0.630 INCHES NOMINAL IN |
| Material Document and Classification | DTD 5066,FSCM K0378 MFR REF SINGLE MATERIAL RESPONSE OVERALL |
| First Diameter From Head | 0.190 INCHES MINIMUM AND 0.195 INCHES MAXIMUM IN |
| Nominal Thread Diameter | 0.250 INCHES IN |
| Head Style | DEE CHAMFER |
| Thread Direction | RIGHT-HAND |
| Distance From Largest Bearing Surface of Head to End of First Diameter | 0.370 INCHES NOMINAL IN |
| Externally Relieved Body Diameter Quantity | 1 |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 28 |
| Material | STEEL OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Head Diameter | 0.512 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 |
| Part Number | Manufacturer |
|---|---|
| B486450 PRIMARY | Rolls-Royce Plc Div Defense (europe) (GBR) |
NSN 5306-01-157-8361 is a Bolt,externally Relieved Body, manufactured by Rolls-Royce Plc Div Defense (europe), classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-157-8361 has 1 manufacturer part number on file: B486450 (Rolls-Royce Plc Div Defense (europe)).
Key specifications for B486450: Head Height: 0.150 INCHES NOMINAL IN; Fastener Length: 1.000 INCHES NOMINAL IN; Distance From Centerline to Flat: 0.187 INCHES MINIMUM AND 0.192 INCHES MAXIMUM IN; Thread Length: 0.630 INCHES NOMINAL IN. 16 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.