The Bolt,shoulder, cataloged under National Stock Number 5306-01-123-1399, 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 20 specifications, cited from the U.S. Government catalog. The record lists 4 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-01-123-1399 |
| Primary Part Number | 74A410731-2001 |
| Item Name | Bolt,shoulder |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | The Boeing Company Div Defense |
| Status | ACTIVE |
| Head Height | 0.125 INCHES NOMINAL IN |
| Fastener Length | 1.805 INCHES NOMINAL IN |
| Shoulder Length | 0.445 INCHES MINIMUM AND 0.455 INCHES MAXIMUM FIRST SHOULDER IN |
| Shoulder Length | 0.520 INCHES MINIMUM AND 0.530 INCHES MAXIMUM SECOND SHOULDER IN |
| Shoulder Diameter | 0.498 INCHES MINIMUM AND 0.499 INCHES MAXIMUM SECOND SHOULDER IN |
| Shoulder Diameter | 0.561 INCHES MINIMUM AND 0.562 INCHES MAXIMUM FIRST SHOULDER IN |
| Thread Length | 0.300 INCHES NOMINAL IN |
| Shoulder Shape | ROUND ALL SHOULDERS |
| Shank Unthreaded Hole Diameter | 0.078 INCHES MINIMUM AND 0.083 INCHES MAXIMUM FIRST HOLE IN |
| Material Document and Classification | MIL-S-8844 CL 3 COND E2 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.312 INCHES IN |
| Head Style | HEXAGON |
| Thread Direction | RIGHT-HAND |
| Width Between Flats | 0.615 INCHES MINIMUM AND 0.627 INCHES MAXIMUM IN |
| Minimum Tensile Strength | 280000 POUNDS PER SQUARE INCH LBS |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 24 |
| Material | STEEL OVERALL |
| Thread Series Designator | UNF |
| Distance From Head Largest Bearing Surface to Shank Hole Center | 1.620 INCHES MINIMUM AND 1.630 INCHES MAXIMUM 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 |
|---|---|
| 74A410731-2001 | A. J. Associates Manufacturing & Engineering Co. Inc. (USA) |
| 74A410731-2001 | Associated Aircraft Manufacturing & Sales, Inc. Dba Associated Aircraft Manufacturing & Sales Inc (USA) |
| 74A410731-2001 PRIMARY | The Boeing Company Div Defense (USA) |
| 74A410731-2001 | Cm Manufacturing Inc Dba Cm Manufacturing Inc (USA) |
| Reference | Meaning |
|---|---|
| 74A410731-2001 | C/1 Advisory reference — outside the item-of-supply concept Goodrich Corporation Div Advanced Structures Landing Systems |
| 10115767 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
NSN 5306-01-123-1399 is a Bolt,shoulder, manufactured by The Boeing Company Div Defense, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-123-1399 has 4 manufacturer part numbers on file: 74A410731-2001 (A. J. Associates Manufacturing & Engineering Co. Inc.), 74A410731-2001 (Associated Aircraft Manufacturing & Sales, Inc. Dba Associated Aircraft Manufacturing & Sales Inc), 74A410731-2001 (The Boeing Company Div Defense), 74A410731-2001 (Cm Manufacturing Inc Dba Cm Manufacturing Inc).
Key specifications for 74A410731-2001: Head Height: 0.125 INCHES NOMINAL IN; Fastener Length: 1.805 INCHES NOMINAL IN; Shoulder Length: 0.445 INCHES MINIMUM AND 0.455 INCHES MAXIMUM FIRST SHOULDER IN; Shoulder Length: 0.520 INCHES MINIMUM AND 0.530 INCHES MAXIMUM SECOND SHOULDER IN. 20 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.