The Bolt,externally Relieved Body, cataloged under National Stock Number 5306-00-952-6526, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is General Electric Company. Government technical data includes 26 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5306-00-952-6526 |
| Primary Part Number | 105B3850P1 |
| Item Name | Bolt,externally Relieved Body |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | General Electric Company |
| Status | ACTIVE |
| Head Height | 0.175 INCHES MINIMUM AND 0.195 INCHES MAXIMUM IN |
| Fastener Length | 1.260 INCHES MINIMUM AND 1.280 INCHES MAXIMUM IN |
| Precious Material | SILVER |
| Thread Length | 0.320 INCHES MINIMUM AND 0.380 INCHES MAXIMUM IN |
| Hardness Rating | 32.0 ROCKWELL C MINIMUM AND 34.0 ROCKWELL C MAXIMUM OVERALL |
| Hole Configuration Style | HEXAGON LONGITUDINAL HOLE |
| First Diameter From Head | 0.480 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN |
| Distance From Largest Bearing Surface of Head to End of Second Diameter | 0.105 INCHES MINIMUM AND 0.145 INCHES MAXIMUM IN |
| Nominal Thread Diameter | 0.312 INCHES IN |
| Distance From Largest Bearing Surface of Head to End of Third Diameter | 0.905 INCHES MINIMUM AND 0.965 INCHES MAXIMUM IN |
| Head Style | HEXAGON |
| Thread Direction | RIGHT-HAND |
| Second Diameter From Head | 0.308 INCHES MINIMUM AND 0.312 INCHES MAXIMUM IN |
| Width Between Flats | 0.492 INCHES MINIMUM AND 0.502 INCHES MAXIMUM IN |
| Distance From Largest Bearing Surface of Head to End of First Diameter | 0.005 INCHES MINIMUM AND 0.025 INCHES MAXIMUM IN |
| Externally Relieved Body Diameter Quantity | 3 |
| Surface Treatment | SILVER OVERALL |
| Minimum Tensile Strength | 165000 POUNDS PER SQUARE INCH LBS |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 24 |
| Material | NICKEL ALLOY OVERALL |
| Hole Quantity | 1 |
| Third Diameter From Head | 0.255 INCHES MINIMUM AND 0.265 INCHES MAXIMUM IN |
| Thread Series Designator | UNF |
| Hole Type | DRILLED |
| Hole Diameter | 0.070 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 |
|---|---|
| 105B3850P1 PRIMARY | General Electric Company (USA) |
| Reference | Meaning |
|---|---|
| 105B3850P1 | 5/9 Secondary reference General Electric Company |
NSN 5306-00-952-6526 is a Bolt,externally Relieved Body, manufactured by General Electric Company, classified under FSC 5306, Bolts. Status: active.
NSN 5306-00-952-6526 has 1 manufacturer part number on file: 105B3850P1 (General Electric Company).
Key specifications for 105B3850P1: Head Height: 0.175 INCHES MINIMUM AND 0.195 INCHES MAXIMUM IN; Fastener Length: 1.260 INCHES MINIMUM AND 1.280 INCHES MAXIMUM IN; Precious Material: SILVER; Thread Length: 0.320 INCHES MINIMUM AND 0.380 INCHES MAXIMUM IN. 26 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.