The Bolt,externally Relieved Body, cataloged under National Stock Number 5306-00-883-5918, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is Rolls-Royce Corporation. Government technical data includes 21 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-00-883-5918 |
| Primary Part Number | 6825434 |
| Item Name | Bolt,externally Relieved Body |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Rolls-Royce Corporation |
| Status | ACTIVE |
| Extended Washer Thickness | 0.075 INCHES NOMINAL IN |
| Head Height | 0.405 INCHES NOMINAL IN |
| Fastener Length | 1.475 INCHES NOMINAL IN |
| Extended Washer Diameter | 0.715 INCHES MINIMUM AND 0.725 INCHES MAXIMUM IN |
| Thread Length | 0.475 INCHES MINIMUM IN |
| Hole Configuration Style | HEXAGON LONGITUDINAL HOLE |
| First Diameter From Head | 0.319 INCHES MINIMUM AND 0.321 INCHES MAXIMUM IN |
| Nominal Thread Diameter | 0.375 INCHES IN |
| Head Style | DOUBLE HEXAGON W/HOLE |
| Thread Direction | RIGHT-HAND |
| Width Between Flats | 0.432 INCHES MINIMUM AND 0.502 INCHES MAXIMUM IN |
| Distance From Largest Bearing Surface of Head to End of First Diameter | 1.000 INCHES NOMINAL IN |
| Externally Relieved Body Diameter Quantity | 1 |
| Surface Treatment | CADMIUM OVERALL |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 24 |
| Material | STEEL OVERALL |
| Hole Quantity | 4 |
| Thread Series Designator | UNF |
| Hole Type | DRILLED |
| Hole Diameter | 0.063 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 |
|---|---|
| 6825434 PRIMARY | Rolls-Royce Corporation (USA) |
| BLT8048 | Rolls-Royce Airlines (GBR) |
| Reference | Meaning |
|---|---|
| 23039726 | C/1 Advisory reference — outside the item-of-supply concept Rolls-Royce Corporation |
| 6825434 | 5/9 Secondary reference Allison Transmission Inc Dba Allison Transmission, Inc |
| 6825434 | 5/9 Secondary reference General Motors Corp |
NSN 5306-00-883-5918 is a Bolt,externally Relieved Body, manufactured by Rolls-Royce Corporation, classified under FSC 5306, Bolts. Status: active.
NSN 5306-00-883-5918 has 2 manufacturer part numbers on file: 6825434 (Rolls-Royce Corporation), BLT8048 (Rolls-Royce Airlines).
Key specifications for 6825434: Extended Washer Thickness: 0.075 INCHES NOMINAL IN; Head Height: 0.405 INCHES NOMINAL IN; Fastener Length: 1.475 INCHES NOMINAL IN; Extended Washer Diameter: 0.715 INCHES MINIMUM AND 0.725 INCHES MAXIMUM IN. 21 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.