The Bolt,shoulder, cataloged under National Stock Number 5306-00-680-5869, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is Aero Engineering & Manufacturing Company of California, Llc Dba Aeroengineering & Manufacturing Co. Government technical data includes 18 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5306-00-680-5869 |
| Primary Part Number | 403758-1 |
| Item Name | Bolt,shoulder |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Aero Engineering & Manufacturing Company of California, Llc Dba Aeroengineering & Manufacturing Co |
| Status | ACTIVE |
| Head Height | 0.250 INCHES MINIMUM AND 0.265 INCHES MAXIMUM IN |
| Fastener Length | 1.783 INCHES MINIMUM AND 1.803 INCHES MAXIMUM IN |
| Shoulder Length | 1.250 INCHES NOMINAL FIRST SHOULDER IN |
| Shoulder Diameter | 0.873 INCHES MINIMUM AND 0.874 INCHES MAXIMUM FIRST SHOULDER IN |
| Thread Length | 0.533 INCHES MINIMUM AND 0.553 INCHES MAXIMUM IN |
| Shoulder Shape | ROUND FIRST SHOULDER |
| Shank Unthreaded Hole Diameter | 0.143 INCHES MINIMUM AND 0.147 INCHES MAXIMUM FIRST HOLE IN |
| Nominal Thread Diameter | 0.625 INCHES IN |
| Head Style | HEXAGON |
| Thread Direction | RIGHT-HAND |
| Width Between Flats | 1.239 INCHES MINIMUM AND 1.252 INCHES MAXIMUM IN |
| Surface Treatment | CADMIUM AND CHROMATE OVERALL |
| Minimum Tensile Strength | 160000 POUNDS PER SQUARE INCH LBS |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 18 |
| Material | STEEL COMP E4340 OR STEEL COMP 4340 OR STEEL COMP 8740 OR STEEL COMP 8735 OR STEEL COMP 6150 OR STEEL COMP 4140 OR STEEL COMP 4037 OVERALL |
| Thread Series Designator | UNF |
| Distance From Head Largest Bearing Surface to Shank Hole Center | 1.605 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 |
|---|---|
| 403758-1 | Aero Engineering & Manufacturing Company of California, Llc Dba Aeroengineering & Manufacturing Co (USA) |
| 403758-1 | A and M Aerospace, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 403758-1 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5306-00-680-5869 is a Bolt,shoulder, manufactured by Aero Engineering & Manufacturing Company of California, Llc Dba Aeroengineering & Manufacturing Co, classified under FSC 5306, Bolts. Status: active.
NSN 5306-00-680-5869 has 2 manufacturer part numbers on file: 403758-1 (Aero Engineering & Manufacturing Company of California, Llc Dba Aeroengineering & Manufacturing Co), 403758-1 (A and M Aerospace, Inc.).
Key specifications for 403758-1: Head Height: 0.250 INCHES MINIMUM AND 0.265 INCHES MAXIMUM IN; Fastener Length: 1.783 INCHES MINIMUM AND 1.803 INCHES MAXIMUM IN; Shoulder Length: 1.250 INCHES NOMINAL FIRST SHOULDER IN; Shoulder Diameter: 0.873 INCHES MINIMUM AND 0.874 INCHES MAXIMUM FIRST SHOULDER IN. 18 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.