The Bolt,shoulder, cataloged under National Stock Number 5306-01-045-9514, 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 16 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-01-045-9514 |
| Primary Part Number | ST3M507-5D10 |
| Item Name | Bolt,shoulder |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | The Boeing Company Div Defense |
| Status | ACTIVE |
| Head Height | 0.177 INCHES MINIMUM AND 0.197 INCHES MAXIMUM IN |
| Fastener Length | 1.076 INCHES MINIMUM AND 1.123 INCHES MAXIMUM IN |
| Shoulder Length | 0.615 INCHES MINIMUM AND 0.635 INCHES MAXIMUM FIRST SHOULDER IN |
| Shoulder Diameter | 0.3427 INCHES MINIMUM AND 0.3432 INCHES MAXIMUM FIRST SHOULDER IN |
| Thread Length | 0.441 INCHES MINIMUM AND 0.508 INCHES MAXIMUM IN |
| Shoulder Shape | ROUND FIRST SHOULDER |
| Shank Unthreaded Hole Diameter | 0.076 INCHES MINIMUM AND 0.081 INCHES MAXIMUM FIRST HOLE IN |
| Nominal Thread Diameter | 0.312 INCHES IN |
| Head Style | DOUBLE HEXAGON |
| Thread Direction | RIGHT-HAND |
| Specification/standard Data | 76301-ST3-507 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| Width Between Flats | 0.492 INCHES MINIMUM AND 0.502 INCHES MAXIMUM IN |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 24 |
| Material | STEEL OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Distance From Head Largest Bearing Surface to Shank Hole Center | 0.952 INCHES MINIMUM AND 1.009 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 | X |
| Part Number | Manufacturer |
|---|---|
| 11921-5D10 | Reid Products Inc. Dba Reid Products Inc (USA) |
| ST3M507-5D10 PRIMARY | The Boeing Company Div Defense (USA) |
| 109451-5D10 PRIMARY | Sps Technologies, Llc Dba PB Fasteners (USA) |
| HP5507-5D10 | Heartland Precision Fasteners Inc (USA) |
| WC507-5D10 | West Coast Aerospace, Inc. (USA) |
| MB89-5D10 | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAN) |
| BM17019-5D10Y | Huck International, Inc (USA) |
| VAL23608-5D10 | Valley-Todeco, Inc. Dba Arconic Fastening Systems (USA) |
| S11-1062-5D10 | Sonic Industries, Inc. Dba Sonic Industries Inc Div Sonic Industries (USA) |
| ST3M507-5D10 | Saturn Fasteners Inc (USA) |
| ST3M507-5D10 | Houston Precision Fasteners I Lp (USA) |
| MB89-5D10 | Hi-Shear Corporation (USA) |
| VS3038-5D10 PRIMARY | Howmet Global Fastening Systems Inc (USA) |
| ST3M507-5D10 | Fastener Innovation Technology, Inc. Dba F I T (USA) |
| ST3M507-5D10 | B & B Specialties Inc Dba Gs Aerospace Div Gs Aerospace (USA) |
| PBF1366-5D10 | Sps Technologies Llc Dba PB Fasteners Div PB Fasteners (USA) |
| Reference | Meaning |
|---|---|
| VS3038-5D10 | 5/2 Secondary reference U.S. Government activity |
| MA5507-5D10 | 5/9 Secondary reference Abounding Security Inc Div of Maa Corp |
| BM17019-5D10Y | 5/9 Secondary reference U.S. Government activity |
| 109453-5D10Y | 5/9 Secondary reference Sps Technologies, Llc Dba PB Fasteners |
| 109453-5D10Y | 5/2 Secondary reference U.S. Government activity |
NSN 5306-01-045-9514 is a Bolt,shoulder, manufactured by The Boeing Company Div Defense, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-045-9514 has 16 manufacturer part numbers on file: 11921-5D10 (Reid Products Inc. Dba Reid Products Inc), ST3M507-5D10 (The Boeing Company Div Defense), 109451-5D10 (Sps Technologies, Llc Dba PB Fasteners), HP5507-5D10 (Heartland Precision Fasteners Inc), WC507-5D10 (West Coast Aerospace, Inc.) and 11 more.
Key specifications for ST3M507-5D10: Head Height: 0.177 INCHES MINIMUM AND 0.197 INCHES MAXIMUM IN; Fastener Length: 1.076 INCHES MINIMUM AND 1.123 INCHES MAXIMUM IN; Shoulder Length: 0.615 INCHES MINIMUM AND 0.635 INCHES MAXIMUM FIRST SHOULDER IN; Shoulder Diameter: 0.3427 INCHES MINIMUM AND 0.3432 INCHES MAXIMUM 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.