The Bolt,shoulder, cataloged under National Stock Number 5306-01-475-0263, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is The Boeing Company Div Defense. 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-01-475-0263 |
| Primary Part Number | C109657-1 |
| Item Name | Bolt,shoulder |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | The Boeing Company Div Defense |
| Status | ACTIVE |
| Head Height | 0.162 INCHES NOMINAL IN |
| Fastener Length | 1.720 INCHES NOMINAL IN |
| Shoulder Length | 1.720 INCHES NOMINAL FIRST SHOULDER IN |
| Shoulder Diameter | 0.373 INCHES NOMINAL FIRST SHOULDER IN |
| Thread Length | 0.507 INCHES NOMINAL IN |
| Shoulder Shape | ROUND FIRST SHOULDER |
| Nominal Thread Diameter | 0.312 INCHES IN |
| Head Style | HEXAGON EXTENDED WASHER |
| Thread Direction | RIGHT-HAND |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 24 |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| 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 |
|---|---|
| C109657-1 PRIMARY | The Boeing Company Div Defense (USA) |
NSN 5306-01-475-0263 is a Bolt,shoulder, manufactured by The Boeing Company Div Defense, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-475-0263 has 1 manufacturer part number on file: C109657-1 (The Boeing Company Div Defense).
Key specifications for C109657-1: Head Height: 0.162 INCHES NOMINAL IN; Fastener Length: 1.720 INCHES NOMINAL IN; Shoulder Length: 1.720 INCHES NOMINAL FIRST SHOULDER IN; Shoulder Diameter: 0.373 INCHES NOMINAL FIRST SHOULDER 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.