The Bolt,shoulder, cataloged under National Stock Number 5306-01-236-1603, 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 19 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 | 5306-01-236-1603 |
| Primary Part Number | 75B299052-2003 |
| Item Name | Bolt,shoulder |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | The Boeing Company Div Defense |
| Status | ACTIVE |
| Head Height | 0.340 INCHES NOMINAL IN |
| Fastener Length | 5.940 INCHES NOMINAL IN |
| Shoulder Length | 5.406 INCHES NOMINAL FIRST SHOULDER IN |
| Surface Treatment Document and Classification | PS13101 TY 2 CL 2 CAGEC 76301 MFR REF SINGLE TREATMENT RESPONSE OVERALL |
| Shoulder Diameter | 0.642 INCHES MINIMUM AND 0.645 INCHES MAXIMUM FIRST SHOULDER IN |
| Thread Length | 0.534 INCHES NOMINAL IN |
| Shoulder Shape | ROUND FIRST SHOULDER |
| Shank Unthreaded Hole Diameter | 0.141 INCHES MINIMUM AND 0.147 INCHES MAXIMUM FIRST HOLE IN |
| Material Document and Classification | MIL-S-5626 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.625 INCHES IN |
| Head Style | HEXAGON |
| Thread Direction | RIGHT-HAND |
| Width Between Flats | 0.935 INCHES NOMINAL IN |
| Surface Treatment | CADMIUM OVERALL |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 18 |
| Material | STEEL COMP 4140 OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Distance From Head Largest Bearing Surface to Shank Hole Center | 5.671 INCHES NOMINAL FIRST HOLE IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | F |
| Part Number | Manufacturer |
|---|---|
| 75B299052-2003 PRIMARY | The Boeing Company Div Defense (USA) |
NSN 5306-01-236-1603 is a Bolt,shoulder, manufactured by The Boeing Company Div Defense, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-236-1603 has 1 manufacturer part number on file: 75B299052-2003 (The Boeing Company Div Defense).
Key specifications for 75B299052-2003: Head Height: 0.340 INCHES NOMINAL IN; Fastener Length: 5.940 INCHES NOMINAL IN; Shoulder Length: 5.406 INCHES NOMINAL FIRST SHOULDER IN; Surface Treatment Document and Classification: PS13101 TY 2 CL 2 CAGEC 76301 MFR REF SINGLE TREATMENT RESPONSE OVERALL. 19 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.