The Bolt,shoulder, cataloged under National Stock Number 5306-01-263-3802, 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 17 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-01-263-3802 |
| Primary Part Number | 74D111103-2091 |
| Item Name | Bolt,shoulder |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | The Boeing Company Div Defense |
| Status | ACTIVE |
| Head Height | 0.156 INCHES NOMINAL IN |
| Fastener Length | 3.675 INCHES MINIMUM AND 3.705 INCHES MAXIMUM IN |
| Shoulder Length | 2.845 INCHES MINIMUM AND 2.875 INCHES MAXIMUM FIRST SHOULDER IN |
| Shoulder Diameter | 0.625 INCHES NOMINAL FIRST SHOULDER IN |
| Thread Length | 0.830 INCHES NOMINAL IN |
| Shoulder Shape | ROUND FIRST SHOULDER |
| Shank Unthreaded Hole Diameter | 0.062 INCHES MINIMUM AND 0.065 INCHES MAXIMUM FIRST HOLE IN |
| Material Document and Classification | AMS 5737 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.312 INCHES IN |
| Head Style | HEXAGON |
| Thread Direction | RIGHT-HAND |
| Width Between Flats | 0.496 INCHES MINIMUM AND 0.504 INCHES MAXIMUM IN |
| Thread Class | 1A A |
| Thread Quantity Per Inch | 24 |
| Material | IRON ALLOY 660 OVERALL |
| Thread Series Designator | UNF |
| Distance From Head Largest Bearing Surface to Shank Hole Center | 1.813 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 | X |
| Part Number | Manufacturer |
|---|---|
| 74D111103-2091 PRIMARY | The Boeing Company Div Defense (USA) |
| Reference | Meaning |
|---|---|
| 74D111103-2091 | 5/9 Secondary reference Br Machine Parts Inc |
NSN 5306-01-263-3802 is a Bolt,shoulder, manufactured by The Boeing Company Div Defense, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-263-3802 has 1 manufacturer part number on file: 74D111103-2091 (The Boeing Company Div Defense).
Key specifications for 74D111103-2091: Head Height: 0.156 INCHES NOMINAL IN; Fastener Length: 3.675 INCHES MINIMUM AND 3.705 INCHES MAXIMUM IN; Shoulder Length: 2.845 INCHES MINIMUM AND 2.875 INCHES MAXIMUM FIRST SHOULDER IN; Shoulder Diameter: 0.625 INCHES NOMINAL FIRST SHOULDER IN. 17 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.