The Bolt,shoulder, cataloged under National Stock Number 5306-01-273-4501, 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 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-01-273-4501 |
| Primary Part Number | 74D111355-2125 |
| 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 | 4.870 INCHES NOMINAL IN |
| Shoulder Length | 1.620 INCHES NOMINAL FIRST SHOULDER IN |
| Shoulder Diameter | 0.6190 INCHES MINIMUM AND 0.6200 INCHES MAXIMUM FIRST SHOULDER IN |
| Thread Length | 2.380 INCHES NOMINAL IN |
| Shoulder Shape | ROUND FIRST SHOULDER |
| Material Document and Classification | AMS 5630 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.437 INCHES IN |
| Head Style | HEXAGON |
| Thread Direction | RIGHT-HAND |
| Width Between Flats | 0.500 INCHES NOMINAL IN |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 20 |
| Material | STEEL COMP 440C OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| 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 |
|---|---|
| 74D111355-2125 | Kreis Tool & Manufacturing Co., Inc. (USA) |
| 74D111355-2125 PRIMARY | The Boeing Company Div Defense (USA) |
NSN 5306-01-273-4501 is a Bolt,shoulder, manufactured by The Boeing Company Div Defense, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-273-4501 has 2 manufacturer part numbers on file: 74D111355-2125 (Kreis Tool & Manufacturing Co., Inc.), 74D111355-2125 (The Boeing Company Div Defense).
Key specifications for 74D111355-2125: Head Height: 0.500 INCHES NOMINAL IN; Fastener Length: 4.870 INCHES NOMINAL IN; Shoulder Length: 1.620 INCHES NOMINAL FIRST SHOULDER IN; Shoulder Diameter: 0.6190 INCHES MINIMUM AND 0.6200 INCHES MAXIMUM 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.