The Bolt,externally Relieved Body, cataloged under National Stock Number 5306-00-259-9390, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is Rolls-Royce Solutions America Inc. Government technical data includes 14 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-00-259-9390 |
| Primary Part Number | 5189539 |
| Item Name | Bolt,externally Relieved Body |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Rolls-Royce Solutions America Inc |
| Status | ACTIVE |
| Head Height | 0.320 INCHES NOMINAL IN |
| Fastener Length | 1.377 INCHES MINIMUM AND 1.380 INCHES MAXIMUM IN |
| Thread Length | 0.757 INCHES MINIMUM AND 0.760 INCHES MAXIMUM IN |
| First Diameter From Head | 0.410 INCHES NOMINAL IN |
| Nominal Thread Diameter | 0.500 INCHES IN |
| Head Style | HEXAGON |
| Thread Direction | RIGHT-HAND |
| Width Between Flats | 0.750 INCHES NOMINAL IN |
| Distance From Largest Bearing Surface of Head to End of First Diameter | 0.620 INCHES NOMINAL IN |
| Externally Relieved Body Diameter Quantity | 1 |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 13 |
| Material | STEEL OVERALL |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| 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 |
|---|---|
| 5189539 PRIMARY | Rolls-Royce Solutions America Inc (USA) |
| Reference | Meaning |
|---|---|
| PC5189539 | 5/9 Secondary reference Power Components (deutschland) Gmbh |
NSN 5306-00-259-9390 is a Bolt,externally Relieved Body, manufactured by Rolls-Royce Solutions America Inc, classified under FSC 5306, Bolts. Status: active.
NSN 5306-00-259-9390 has 1 manufacturer part number on file: 5189539 (Rolls-Royce Solutions America Inc).
1 possible match (shared part number, not a government interchangeability claim): 5945-01-366-2841. Verify interchangeability with system specifications before substitution.
Key specifications for 5189539: Head Height: 0.320 INCHES NOMINAL IN; Fastener Length: 1.377 INCHES MINIMUM AND 1.380 INCHES MAXIMUM IN; Thread Length: 0.757 INCHES MINIMUM AND 0.760 INCHES MAXIMUM IN; First Diameter From Head: 0.410 INCHES NOMINAL IN. 14 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.