The Bolt,externally Relieved Body, cataloged under National Stock Number 5306-01-130-2517, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is The Boeing Company Div Defense. Government technical data includes 17 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5306-01-130-2517 |
| Primary Part Number | 74A880675-2001 |
| Item Name | Bolt,externally Relieved Body |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | The Boeing Company Div Defense |
| Status | ACTIVE |
| Fourth Diameter From Head | 0.249 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN |
| Head Height | 0.110 INCHES NOMINAL IN |
| Fastener Length | 4.050 INCHES NOMINAL IN |
| Distance From Largest Bearing Surface of Head to End of Tenth Diameter | 3.625 INCHES NOMINAL IN |
| Thread Length | 0.425 INCHES NOMINAL IN |
| Distance From Largest Bearing Surface of Head to End of Second Diameter | 2.438 INCHES NOMINAL IN |
| Nominal Thread Diameter | 0.250 INCHES IN |
| Distance From Largest Bearing Surface of Head to End of Third Diameter | 3.063 INCHES NOMINAL IN |
| Head Style | DISHED HEXAGON |
| Thread Direction | RIGHT-HAND |
| Second Diameter From Head | 0.249 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN |
| Width Between Flats | 0.430 INCHES MINIMUM AND 0.439 INCHES MAXIMUM IN |
| Externally Relieved Body Diameter Quantity | 1 |
| Thread Quantity Per Inch | 28 |
| Material | ALUMINUM ALLOY OVERALL |
| Third Diameter From Head | 0.185 INCHES MINIMUM AND 0.188 INCHES MAXIMUM IN |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| 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 |
|---|---|
| 74A880675-2001 PRIMARY | The Boeing Company Div Defense (USA) |
| Reference | Meaning |
|---|---|
| 10115804 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
NSN 5306-01-130-2517 is a Bolt,externally Relieved Body, manufactured by The Boeing Company Div Defense, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-130-2517 has 1 manufacturer part number on file: 74A880675-2001 (The Boeing Company Div Defense).
Key specifications for 74A880675-2001: Fourth Diameter From Head: 0.249 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN; Head Height: 0.110 INCHES NOMINAL IN; Fastener Length: 4.050 INCHES NOMINAL IN; Distance From Largest Bearing Surface of Head to End of Tenth Diameter: 3.625 INCHES NOMINAL IN. 17 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.