The Bolt,internal Wrenching, cataloged under National Stock Number 5306-00-612-2929, 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 23 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-00-612-2929 |
| Primary Part Number | 6-50417-2 |
| Item Name | Bolt,internal Wrenching |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Valley-Todeco, Inc. Dba Arconic Fastening Systems |
| Status | ACTIVE |
| Surface Finish | 32.0 MICROINCHES GRIP |
| Surface Finish | 32.0 MICROINCHES BEARING SURFACE OF HEAD |
| Width Across Flats | 0.313 INCHES MINIMUM AND 0.315 INCHES MAXIMUM IN |
| Head Height | 0.280 INCHES NOMINAL IN |
| Fastener Length | 0.807 INCHES MINIMUM AND 0.827 INCHES MAXIMUM IN |
| Thread Length | 0.647 INCHES MINIMUM AND 0.667 INCHES MAXIMUM IN |
| Hole Configuration Style | ROUND LONGITUDINAL HOLE |
| First Diameter From Head | 0.308 INCHES MINIMUM AND 0.311 INCHES MAXIMUM IN |
| Nominal Thread Diameter | 0.312 INCHES IN |
| Head Style | BEVEL-CONICAL |
| Thread Direction | RIGHT-HAND |
| Specification/standard Data | 80205-NAS5715 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| Distance From Largest Bearing Surface of Head to End of First Diameter | 0.160 INCHES NOMINAL IN |
| Surface Treatment | SILVER THREADS |
| Internal Drive Style | HEXAGON |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 24 |
| Material | STEEL COMP 303 THREADS |
| Hole Quantity | 6 |
| Thread Series Designator | UNF |
| Hole Type | DRILLED |
| Hole Diameter | 0.070 INCHES NOMINAL IN |
| Head Diameter | 0.550 INCHES MINIMUM AND 0.560 INCHES MAXIMUM 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 |
|---|---|
| 6-50417-2 | Valley-Todeco, Inc. Dba Arconic Fastening Systems (USA) |
| Reference | Meaning |
|---|---|
| 6-50417-2 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5306-00-612-2929 is a Bolt,internal Wrenching, manufactured by Valley-Todeco, Inc. Dba Arconic Fastening Systems, classified under FSC 5306, Bolts. Status: active.
NSN 5306-00-612-2929 has 1 manufacturer part number on file: 6-50417-2 (Valley-Todeco, Inc. Dba Arconic Fastening Systems).
Key specifications for 6-50417-2: Surface Finish: 32.0 MICROINCHES GRIP; Surface Finish: 32.0 MICROINCHES BEARING SURFACE OF HEAD; Width Across Flats: 0.313 INCHES MINIMUM AND 0.315 INCHES MAXIMUM IN; Head Height: 0.280 INCHES NOMINAL IN. 23 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.