The Bolt,machine, cataloged under National Stock Number 5306-00-038-2452, 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 19 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-00-038-2452 |
| Primary Part Number | BACB30LM9DU-41 |
| Item Name | Bolt,machine |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Valley-Todeco, Inc. Dba Arconic Fastening Systems |
| Status | ACTIVE |
| Head Height | 0.296 INCHES MINIMUM AND 0.328 INCHES MAXIMUM IN |
| Fastener Length | 3.4685 INCHES NOMINAL IN |
| Thread Length | 0.906 INCHES MINIMUM IN |
| Shank Unthreaded Hole Diameter | 0.141 INCHES MINIMUM AND 0.146 INCHES MAXIMUM FIRST HOLE IN |
| Hole Configuration Style | HEXAGON FLATS |
| Nominal Thread Diameter | 0.562 INCHES IN |
| Features Provided | FINISHED HEAD |
| Head Style | HEXAGON |
| Thread Direction | RIGHT-HAND |
| Grip Length | 2.5625 INCHES NOMINAL IN |
| Width Between Flats | 0.865 INCHES MINIMUM AND 0.877 INCHES MAXIMUM IN |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 18 |
| Material | STEEL CORROSION RESISTING OVERALL |
| Hole Quantity | 1 |
| Thread Series Designator | UNF |
| Distance From Head Largest Bearing Surface to Shank Hole Center | 3.4685 INCHES NOMINAL FIRST HOLE IN |
| Hole Type | DRILLED |
| Hole Diameter | 0.062 INCHES NOMINAL 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 |
|---|---|
| BACB30LM9DU-41 | Valley-Todeco, Inc. Dba Arconic Fastening Systems (USA) |
| BACB39LM9DU-41 | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| BACB30LM9DU-41 | Federal Manufacturing Corp (USA) |
| Reference | Meaning |
|---|---|
| BACB30LM9DU-41 | 5/2 Secondary reference U.S. Government activity |
| BACB30BG9-41 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5306-00-038-2452 is a Bolt,machine, manufactured by Valley-Todeco, Inc. Dba Arconic Fastening Systems, classified under FSC 5306, Bolts. Status: active.
NSN 5306-00-038-2452 has 3 manufacturer part numbers on file: BACB30LM9DU-41 (Valley-Todeco, Inc. Dba Arconic Fastening Systems), BACB39LM9DU-41 (Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company), BACB30LM9DU-41 (Federal Manufacturing Corp).
Key specifications for BACB30LM9DU-41: Head Height: 0.296 INCHES MINIMUM AND 0.328 INCHES MAXIMUM IN; Fastener Length: 3.4685 INCHES NOMINAL IN; Thread Length: 0.906 INCHES MINIMUM IN; Shank Unthreaded Hole Diameter: 0.141 INCHES MINIMUM AND 0.146 INCHES MAXIMUM FIRST HOLE IN. 19 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.