The Bolt,machine, cataloged under National Stock Number 5306-01-485-9763, 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 16 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-01-485-9763 |
| Primary Part Number | BACB30LE346 |
| Item Name | Bolt,machine |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Valley-Todeco, Inc. Dba Arconic Fastening Systems |
| Status | ACTIVE |
| Extended Washer Thickness | 0.040 INCHES MINIMUM AND 0.060 INCHES MAXIMUM IN |
| Head Height | 0.190 INCHES MINIMUM AND 0.210 INCHES MAXIMUM IN |
| Fastener Length | 3.250 INCHES MINIMUM AND 3.280 INCHES MAXIMUM IN |
| Extended Washer Diameter | 0.359 INCHES MINIMUM AND 0.369 INCHES MAXIMUM IN |
| Thread Length | 0.390 INCHES NOMINAL IN |
| Material Document and Classification | AMS 5737 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.1900 INCHES IN |
| Head Style | DOUBLE HEXAGON W/HOLE |
| Thread Direction | RIGHT-HAND |
| Grip Length | 2.865 INCHES MINIMUM AND 2.885 INCHES MAXIMUM IN |
| Width Between Flats | 0.277 INCHES MINIMUM AND 0.290 INCHES MAXIMUM IN |
| Grip Diameter | 0.1895 INCHES NOMINAL IN |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 32 |
| Material | STEEL CORROSION RESISTING OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| 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 |
|---|---|
| BACB30LE346 | Valley-Todeco, Inc. Dba Arconic Fastening Systems (USA) |
| BACB30LE346 | Sonic Industries, Inc. Dba Sonic Industries Inc Div Sonic Industries (USA) |
| BACB30LE346 | Federal Manufacturing Corp (USA) |
| BACB30LE346 | Sps Technologies, Llc Dba PB Fasteners (USA) |
| BACB30LE346 | Howmet Global Fastening Systems Inc (USA) |
| BACB30LE346 | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| Reference | Meaning |
|---|---|
| BACB30LE346 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5306-01-485-9763 is a Bolt,machine, manufactured by Valley-Todeco, Inc. Dba Arconic Fastening Systems, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-485-9763 has 6 manufacturer part numbers on file: BACB30LE346 (Valley-Todeco, Inc. Dba Arconic Fastening Systems), BACB30LE346 (Sonic Industries, Inc. Dba Sonic Industries Inc Div Sonic Industries), BACB30LE346 (Federal Manufacturing Corp), BACB30LE346 (Sps Technologies, Llc Dba PB Fasteners), BACB30LE346 (Howmet Global Fastening Systems Inc) and 1 more.
Key specifications for BACB30LE346: Extended Washer Thickness: 0.040 INCHES MINIMUM AND 0.060 INCHES MAXIMUM IN; Head Height: 0.190 INCHES MINIMUM AND 0.210 INCHES MAXIMUM IN; Fastener Length: 3.250 INCHES MINIMUM AND 3.280 INCHES MAXIMUM IN; Extended Washer Diameter: 0.359 INCHES MINIMUM AND 0.369 INCHES MAXIMUM IN. 16 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.