The Bolt,machine, cataloged under National Stock Number 5306-00-079-8599, 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 12 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-00-079-8599 |
| Primary Part Number | 5102256 |
| Item Name | Bolt,machine |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Rolls-Royce Solutions America Inc |
| Status | ACTIVE |
| Head Height | 0.172 INCHES NOMINAL IN |
| Fastener Length | 0.875 INCHES NOMINAL IN |
| Thread Length | 0.804 INCHES MINIMUM AND 0.875 INCHES MAXIMUM IN |
| Nominal Thread Diameter | 0.250 INCHES IN |
| Features Provided | FINISHED HEAD |
| Head Style | HEXAGON |
| Thread Direction | RIGHT-HAND |
| Width Between Flats | 0.437 INCHES NOMINAL IN |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 28 |
| Material | STEEL OVERALL |
| Thread Series Designator | UNF |
| 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 |
|---|---|
| 5102256 PRIMARY | Rolls-Royce Solutions America Inc (USA) |
| Reference | Meaning |
|---|---|
| 5130034 | 5/9 Secondary reference Rolls-Royce Solutions America Inc |
| 5130034 | 5/9 Secondary reference General Motors Corp |
NSN 5306-00-079-8599 is a Bolt,machine, manufactured by Rolls-Royce Solutions America Inc, classified under FSC 5306, Bolts. Status: active.
NSN 5306-00-079-8599 has 1 manufacturer part number on file: 5102256 (Rolls-Royce Solutions America Inc).
Key specifications for 5102256: Head Height: 0.172 INCHES NOMINAL IN; Fastener Length: 0.875 INCHES NOMINAL IN; Thread Length: 0.804 INCHES MINIMUM AND 0.875 INCHES MAXIMUM IN; Nominal Thread Diameter: 0.250 INCHES IN. 12 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.