The Bolt,shoulder, cataloged under National Stock Number 5306-01-485-4061, 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 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-01-485-4061 |
| Primary Part Number | 8100-1256-0262 PT NO 249 |
| Item Name | Bolt,shoulder |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Bath Iron Works Corporation |
| Status | ACTIVE |
| Head Height | 0.375 INCHES NOMINAL IN |
| Fastener Length | 1.937 INCHES NOMINAL IN |
| Shoulder Length | 1.031 INCHES NOMINAL FIRST SHOULDER IN |
| Shoulder Diameter | 0.750 INCHES NOMINAL FIRST SHOULDER IN |
| Thread Length | 0.8750 INCHES NOMINAL IN |
| Shoulder Shape | ROUND FIRST SHOULDER |
| Material Document and Classification | ASTM A278 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.625 INCHES IN |
| Head Style | HEXAGON |
| Thread Direction | RIGHT-HAND |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 11 |
| Material | STEEL CORROSION RESISTING 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 PT NO 249 PRIMARY | Bath Iron Works Corporation (USA) |
NSN 5306-01-485-4061 is a Bolt,shoulder, manufactured by Bath Iron Works Corporation, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-485-4061 has 1 manufacturer part number on file: 8100-1256-0262 PT NO 249 (Bath Iron Works Corporation).
Key specifications for 8100-1256-0262 PT NO 249: Head Height: 0.375 INCHES NOMINAL IN; Fastener Length: 1.937 INCHES NOMINAL IN; Shoulder Length: 1.031 INCHES NOMINAL FIRST SHOULDER IN; Shoulder Diameter: 0.750 INCHES NOMINAL FIRST SHOULDER 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.