The Bolt,shoulder, cataloged under National Stock Number 5306-01-045-2416, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is Valley-Todeco, Inc. Dba Arconic Fastening Systems. Government technical data includes 17 specifications, cited from the U.S. Government catalog. The record lists 9 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 14 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-01-045-2416 |
| Primary Part Number | ST3M507-3D16 |
| Item Name | Bolt,shoulder |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Valley-Todeco, Inc. Dba Arconic Fastening Systems |
| Status | ACTIVE |
| Head Height | 0.130 INCHES MINIMUM AND 0.150 INCHES MAXIMUM IN |
| Fastener Length | 1.315 INCHES MINIMUM AND 1.362 INCHES MAXIMUM IN |
| Shoulder Length | 0.990 INCHES MINIMUM AND 1.010 INCHES MAXIMUM FIRST SHOULDER IN |
| Shoulder Diameter | 0.2177 INCHES MINIMUM AND 0.2182 INCHES MAXIMUM FIRST SHOULDER IN |
| Thread Length | 0.305 INCHES MINIMUM AND 0.372 INCHES MAXIMUM IN |
| Shoulder Shape | ROUND FIRST SHOULDER |
| Shank Unthreaded Hole Diameter | 0.070 INCHES MINIMUM AND 0.075 INCHES MAXIMUM FIRST HOLE IN |
| Nominal Thread Diameter | 0.190 INCHES IN |
| Head Style | DOUBLE HEXAGON |
| Thread Direction | RIGHT-HAND |
| Specification/standard Data | 76301-ST3-507 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| Width Between Flats | 0.367 INCHES MINIMUM AND 0.376 INCHES MAXIMUM IN |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 32 |
| Material | STEEL OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Distance From Head Largest Bearing Surface to Shank Hole Center | 1.194 INCHES MINIMUM AND 1.251 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 |
|---|---|
| ST3M507-3D16 | Valley-Todeco, Inc. Dba Arconic Fastening Systems (USA) |
| ST3M507-3D16 | Huck International, Inc (USA) |
| ST3M507-3D16 | The Boeing Company Div Defense (USA) |
| ST3M507-3D16 | J M Precision Inc (USA) |
| ST3M507-3D16 | Sonic Industries, Inc. Dba Sonic Industries Inc Div Sonic Industries (USA) |
| ST3M507-3D16 | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAN) |
| ST3M507-3D16 | Sps Technologies Llc Dba PB Fasteners Div PB Fasteners (USA) |
| ST3M507-3D16 | Sps Technologies, Llc Dba PB Fasteners (USA) |
| ST3M507-3D16 | Hi-Shear Corporation (USA) |
| Reference | Meaning |
|---|---|
| MB89-3-D16 | 5/9 Secondary reference Hi-Shear Corporation |
| VS3038-3D16 | 5/9 Secondary reference U.S. Government activity |
| BM17019-3D16Y | C/1 Advisory reference — outside the item-of-supply concept Huck International, Inc |
| PBF1366-3D16 | 5/9 Secondary reference Sps Technologies Llc Dba PB Fasteners Div PB Fasteners |
| ST3M507-3D16 | 5/2 Secondary reference U.S. Government activity |
| 109453-3D16Y | 5/9 Secondary reference U.S. Government activity |
| 109451-3D16 | 5/9 Secondary reference Sps Technologies, Llc Dba PB Fasteners |
| 109453-3D16Y | 5/9 Secondary reference Sps Technologies, Llc Dba PB Fasteners |
| S11-1062-3D16 | 5/9 Secondary reference Sonic Industries, Inc. Dba Sonic Industries Inc Div Sonic Industries |
| VS3038-3D16 | C/1 Advisory reference — outside the item-of-supply concept Howmet Global Fastening Systems Inc |
| BM17019-3D16Y | 5/9 Secondary reference U.S. Government activity |
| MA5507-3D16 | 5/9 Secondary reference Abounding Security Inc Div of Maa Corp |
| HP5507-3D16 | 3/9 Design control — primary reference Heartland Precision Fasteners Inc |
| VAL23608-3D16 | 5/9 Secondary reference Valley-Todeco, Inc. Dba Arconic Fastening Systems |
NSN 5306-01-045-2416 is a Bolt,shoulder, manufactured by Valley-Todeco, Inc. Dba Arconic Fastening Systems, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-045-2416 has 9 manufacturer part numbers on file: ST3M507-3D16 (Valley-Todeco, Inc. Dba Arconic Fastening Systems), ST3M507-3D16 (Huck International, Inc), ST3M507-3D16 (The Boeing Company Div Defense), ST3M507-3D16 (J M Precision Inc), ST3M507-3D16 (Sonic Industries, Inc. Dba Sonic Industries Inc Div Sonic Industries) and 4 more.
Key specifications for ST3M507-3D16: Head Height: 0.130 INCHES MINIMUM AND 0.150 INCHES MAXIMUM IN; Fastener Length: 1.315 INCHES MINIMUM AND 1.362 INCHES MAXIMUM IN; Shoulder Length: 0.990 INCHES MINIMUM AND 1.010 INCHES MAXIMUM FIRST SHOULDER IN; Shoulder Diameter: 0.2177 INCHES MINIMUM AND 0.2182 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.