The Bolt,shoulder, cataloged under National Stock Number 5306-01-046-0523, 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 6 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through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5306-01-046-0523 |
| Primary Part Number | VAL23608-9D19 |
| Item Name | Bolt,shoulder |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Valley-Todeco, Inc. Dba Arconic Fastening Systems |
| Status | ACTIVE |
| Head Height | 0.318 INCHES MINIMUM AND 0.338 INCHES MAXIMUM IN |
| Fastener Length | 1.897 INCHES MINIMUM AND 1.944 INCHES MAXIMUM IN |
| Shoulder Length | 1.178 INCHES MINIMUM AND 1.198 INCHES MAXIMUM FIRST SHOULDER IN |
| Shoulder Diameter | 0.5922 INCHES MINIMUM AND 0.5927 INCHES MAXIMUM FIRST SHOULDER IN |
| Thread Length | 0.699 INCHES MINIMUM AND 0.766 INCHES MAXIMUM IN |
| Shoulder Shape | ROUND FIRST SHOULDER |
| Shank Unthreaded Hole Diameter | 0.141 INCHES MINIMUM AND 0.146 INCHES MAXIMUM FIRST HOLE IN |
| Nominal Thread Diameter | 0.562 INCHES IN |
| Head Style | DOUBLE HEXAGON |
| Thread Direction | RIGHT-HAND |
| Specification/standard Data | 76301-ST3-507 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| Width Between Flats | 0.865 INCHES MINIMUM AND 0.877 INCHES MAXIMUM IN |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 18 |
| Material | STEEL OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Distance From Head Largest Bearing Surface to Shank Hole Center | 1.769 INCHES MINIMUM AND 1.826 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 |
|---|---|
| ST3M507-9D19 | Sps Technologies Llc Dba PB Fasteners Div PB Fasteners (USA) |
| VAL23608-9D19 PRIMARY | Valley-Todeco, Inc. Dba Arconic Fastening Systems (USA) |
| MB89-9D19 PRIMARY | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAN) |
| MB89-9D19 PRIMARY | Hi-Shear Corporation (USA) |
| ST3M507-9D19 PRIMARY | The Boeing Company Div Defense (USA) |
| ST3M507-9D19 | Heartland Precision Fasteners Inc (USA) |
| Reference | Meaning |
|---|---|
| VS3038-9D19 | 5/9 Secondary reference U.S. Government activity |
| ST3M507-9D19 | 5/2 Secondary reference U.S. Government activity |
| 109453-9D19Y | 5/9 Secondary reference Sps Technologies, Llc Dba PB Fasteners |
| 109453-9D19Y | 3/2 Design control — primary reference U.S. Government activity |
| BM17019-9D19Y | 5/9 Secondary reference U.S. Government activity |
NSN 5306-01-046-0523 is a Bolt,shoulder, manufactured by Valley-Todeco, Inc. Dba Arconic Fastening Systems, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-046-0523 has 6 manufacturer part numbers on file: ST3M507-9D19 (Sps Technologies Llc Dba PB Fasteners Div PB Fasteners), VAL23608-9D19 (Valley-Todeco, Inc. Dba Arconic Fastening Systems), MB89-9D19 (Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc), MB89-9D19 (Hi-Shear Corporation), ST3M507-9D19 (The Boeing Company Div Defense) and 1 more.
Key specifications for VAL23608-9D19: Head Height: 0.318 INCHES MINIMUM AND 0.338 INCHES MAXIMUM IN; Fastener Length: 1.897 INCHES MINIMUM AND 1.944 INCHES MAXIMUM IN; Shoulder Length: 1.178 INCHES MINIMUM AND 1.198 INCHES MAXIMUM FIRST SHOULDER IN; Shoulder Diameter: 0.5922 INCHES MINIMUM AND 0.5927 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.