The Bolt,machine, cataloged under National Stock Number 5306-01-142-4515, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is Wood Group Pratt & Whitney Industrial Turbine Services, Llc Dba Wood Group Pratt & Whitney Industrial Turbine Se. Government technical data includes 7 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-01-142-4515 |
| Primary Part Number | 564555 |
| Item Name | Bolt,machine |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Wood Group Pratt & Whitney Industrial Turbine Services, Llc Dba Wood Group Pratt & Whitney Industrial Turbine Se |
| Status | ACTIVE |
| Fastener Length | 0.938 INCHES NOMINAL0.938 INCHES NOMINAL IN |
| Nominal Thread Diameter | 0.250 INCHES0.250 INCHES IN |
| Head Style | HEXAGONHEXAGON |
| Thread Class | 2A2A |
| Thread Quantity Per Inch | 2828 |
| Material | STEEL OVERALL |
| Thread Series Designator | UNFUNF |
| 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 |
|---|---|
| 564555 PRIMARY | Wood Group Pratt & Whitney Industrial Turbine Services, Llc Dba Wood Group Pratt & Whitney Industrial Turbine Se (USA) |
NSN 5306-01-142-4515 is a Bolt,machine, manufactured by Wood Group Pratt & Whitney Industrial Turbine Services, Llc Dba Wood Group Pratt & Whitney Industrial Turbine Se, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-142-4515 has 1 manufacturer part number on file: 564555 (Wood Group Pratt & Whitney Industrial Turbine Services, Llc Dba Wood Group Pratt & Whitney Industrial Turbine Se).
Key specifications for 564555: Fastener Length: 0.938 INCHES NOMINAL0.938 INCHES NOMINAL IN; Nominal Thread Diameter: 0.250 INCHES0.250 INCHES IN; Head Style: HEXAGONHEXAGON; Thread Class: 2A2A. 7 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.