The Bolt,shoulder, cataloged under National Stock Number 5306-01-161-0342, 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 15 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-01-161-0342 |
| Primary Part Number | 74D291013-2045 |
| Item Name | Bolt,shoulder |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | The Boeing Company Div Defense |
| Status | ACTIVE |
| Head Height | 0.500 INCHES NOMINAL IN |
| Fastener Length | 9.600 INCHES NOMINAL IN |
| Shoulder Length | 5.093 INCHES NOMINAL FIRST SHOULDER IN |
| Shoulder Diameter | 1.000 INCHES NOMINAL FIRST SHOULDER IN |
| Thread Length | 1.250 INCHES NOMINAL IN |
| Shoulder Shape | ROUND FIRST SHOULDER |
| 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 | 1.437 INCHES NOMINAL IN |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 18 |
| Material | STEEL COMP 4140 OVERALL |
| Thread Series Designator | UNF |
| 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 |
|---|---|
| 74D291013-2045 PRIMARY | The Boeing Company Div Defense (USA) |
| 74D291013-2045 | Seyer Industries, Inc. Dba Seyer Industries Inc (USA) |
| 74D291013-2045 | The Boeing Company Div Services (USA) |
NSN 5306-01-161-0342 is a Bolt,shoulder, manufactured by The Boeing Company Div Defense, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-161-0342 has 3 manufacturer part numbers on file: 74D291013-2045 (The Boeing Company Div Defense), 74D291013-2045 (Seyer Industries, Inc. Dba Seyer Industries Inc), 74D291013-2045 (The Boeing Company Div Services).
Key specifications for 74D291013-2045: Head Height: 0.500 INCHES NOMINAL IN; Fastener Length: 9.600 INCHES NOMINAL IN; Shoulder Length: 5.093 INCHES NOMINAL FIRST SHOULDER IN; Shoulder Diameter: 1.000 INCHES NOMINAL FIRST SHOULDER IN. 15 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.