The Bolt,externally Relieved Body, cataloged under National Stock Number 5306-01-477-7159, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is Bath Iron Works Corporation. Government technical data includes 16 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 | 5306-01-477-7159 |
| Primary Part Number | 8100-1256-0262 PC 50 |
| Item Name | Bolt,externally Relieved Body |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Bath Iron Works Corporation |
| Status | ACTIVE |
| Head Height | 0.538 INCHES NOMINAL IN |
| Fastener Length | 2.024 INCHES MINIMUM IN |
| Thread Length | 0.562 INCHES NOMINAL IN |
| Material Document and Classification | ASTM A276, COND A ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| First Diameter From Head | 0.745 INCHES MINIMUM AND 0.746 INCHES MAXIMUM IN |
| Distance From Largest Bearing Surface of Head to End of Second Diameter | 1.687 INCHES NOMINAL IN |
| Nominal Thread Diameter | 0.625 INCHES IN |
| Head Style | HEXAGON |
| Thread Direction | RIGHT-HAND |
| Width Between Flats | 1.125 INCHES NOMINAL IN |
| Distance From Largest Bearing Surface of Head to End of First Diameter | 1.562 INCHES NOMINAL IN |
| Externally Relieved Body Diameter Quantity | 2 |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 11 |
| Material | STEEL COMP 316 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 |
|---|---|
| 8100-1256-0262 PC 50 PRIMARY | Bath Iron Works Corporation (USA) |
NSN 5306-01-477-7159 is a Bolt,externally Relieved Body, manufactured by Bath Iron Works Corporation, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-477-7159 has 1 manufacturer part number on file: 8100-1256-0262 PC 50 (Bath Iron Works Corporation).
Key specifications for 8100-1256-0262 PC 50: Head Height: 0.538 INCHES NOMINAL IN; Fastener Length: 2.024 INCHES MINIMUM IN; Thread Length: 0.562 INCHES NOMINAL IN; Material Document and Classification: ASTM A276, COND A ASSN STD SINGLE MATERIAL RESPONSE OVERALL. 16 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.