The Bolt,shoulder, cataloged under National Stock Number 5306-01-044-2979, 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 8 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 10 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-01-044-2979 |
| Primary Part Number | VAL23607-5D15 |
| Item Name | Bolt,shoulder |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Valley-Todeco, Inc. Dba Arconic Fastening Systems |
| Status | ACTIVE |
| Head Height | 0.177 INCHES MINIMUM AND 0.197 INCHES MAXIMUM IN |
| Fastener Length | 1.389 INCHES MINIMUM AND 1.436 INCHES MAXIMUM IN |
| Shoulder Length | 0.928 INCHES MINIMUM AND 0.948 INCHES MAXIMUM FIRST SHOULDER IN |
| Shoulder Diameter | 0.327 INCHES MINIMUM AND 0.328 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-ST3-497 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 | 1.265 INCHES MINIMUM AND 1.322 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 |
|---|---|
| VAL23607-5D15 PRIMARY | Valley-Todeco, Inc. Dba Arconic Fastening Systems (USA) |
| S11-1061-5D15 PRIMARY | Sonic Industries, Inc. Dba Sonic Industries Inc Div Sonic Industries (USA) |
| MB88-5D15 PRIMARY | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAN) |
| PBF1254-5D15 PRIMARY | Sps Technologies Llc Dba PB Fasteners Div PB Fasteners (USA) |
| MB88-5D15 PRIMARY | Hi-Shear Corporation (USA) |
| ST3M497-5D15 | Computer Power Cabling Corp (USA) |
| ST3M497-5D15 | Heartland Precision Fasteners Inc (USA) |
| ST3M497-5D15 | B & B Specialties Inc Dba Gs Aerospace Div Gs Aerospace (USA) |
| Reference | Meaning |
|---|---|
| ST3M497-5D15 | 7/2 Vendor item drawing reference The Boeing Company Div Defense |
| 109453-5D15X | 5/9 Secondary reference Sps Technologies, Llc Dba PB Fasteners |
| VS3037-5D15 | C/1 Advisory reference — outside the item-of-supply concept Howmet Global Fastening Systems Inc |
| 109450-5D15 | 3/2 Design control — primary reference U.S. Government activity |
| BM17019-5D15X | C/1 Advisory reference — outside the item-of-supply concept Huck International, Inc |
| 109453-5D15X | 5/9 Secondary reference U.S. Government activity |
| MA5497-5D15 | 5/9 Secondary reference Abounding Security Inc Div of Maa Corp |
| VS3037-5D15 | 5/9 Secondary reference U.S. Government activity |
| BM17019-5D15X | 5/9 Secondary reference U.S. Government activity |
| ST3M497-5D15 | 5/9 Secondary reference Argus Surgical Co Inc |
NSN 5306-01-044-2979 is a Bolt,shoulder, manufactured by Valley-Todeco, Inc. Dba Arconic Fastening Systems, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-044-2979 has 8 manufacturer part numbers on file: VAL23607-5D15 (Valley-Todeco, Inc. Dba Arconic Fastening Systems), S11-1061-5D15 (Sonic Industries, Inc. Dba Sonic Industries Inc Div Sonic Industries), MB88-5D15 (Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc), PBF1254-5D15 (Sps Technologies Llc Dba PB Fasteners Div PB Fasteners), MB88-5D15 (Hi-Shear Corporation) and 3 more.
Key specifications for VAL23607-5D15: Head Height: 0.177 INCHES MINIMUM AND 0.197 INCHES MAXIMUM IN; Fastener Length: 1.389 INCHES MINIMUM AND 1.436 INCHES MAXIMUM IN; Shoulder Length: 0.928 INCHES MINIMUM AND 0.948 INCHES MAXIMUM FIRST SHOULDER IN; Shoulder Diameter: 0.327 INCHES MINIMUM AND 0.328 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.