The Bolt,machine, cataloged under National Stock Number 5306-01-502-9499, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is Federal Manufacturing Corp. Government technical data includes 18 specifications, cited from the U.S. Government catalog. The record lists 7 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5306-01-502-9499 |
| Primary Part Number | BACB30LM12DU32 |
| Item Name | Bolt,machine |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Federal Manufacturing Corp |
| Status | ACTIVE |
| Head Height | 0.375 INCHES MINIMUM AND 0.390 INCHES MAXIMUM IN |
| Fastener Length | 3.041 INCHES NOMINAL IN |
| Surface Treatment Document and Classification | QQ-P-35 TYPE II FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Thread Length | 1.041 INCHES NOMINAL IN |
| Shank Unthreaded Hole Diameter | 0.700 INCHES NOMINAL FIRST HOLE IN |
| Material Document and Classification | ASTMA286 AMS5737 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.750 INCHES IN |
| Head Style | DISHED HEXAGON |
| Thread Direction | RIGHT-HAND |
| Grip Length | 2.000 INCHES NOMINAL IN |
| Width Between Flats | 1.052 INCHES MINIMUM AND 1.064 INCHES MAXIMUM IN |
| Grip Diameter | 0.7485 INCHES NOMINAL IN |
| Surface Treatment | PASSIVATE OVERALL |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 16 |
| Material | STEEL CORROSION RESISTING OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Distance From Head Largest Bearing Surface to Shank Hole Center | 2.789 INCHES NOMINAL 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 |
|---|---|
| BACB30LM12DU32 PRIMARY | Federal Manufacturing Corp (USA) |
| BACB30LM12DU32 PRIMARY | Howmet Global Fastening Systems Inc (USA) |
| BACB30LM12DU32 PRIMARY | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| BACB30LM12DU32 PRIMARY | Valley-Todeco, Inc. Dba Arconic Fastening Systems (USA) |
| BACB30LM12DU32 PRIMARY | Sps Technologies, Llc Dba PB Fasteners (USA) |
| BACB30LM12DU32 PRIMARY | Sps Technologies Llc Dba PB Fasteners Div PB Fasteners (USA) |
| BACB30LM12DU32 PRIMARY | Howmet Global Fastening Systems Inc Div City of Industry Operations (USA) |
| Reference | Meaning |
|---|---|
| BACB30LM12DU32 | 7/2 Vendor item drawing reference U.S. Government activity |
NSN 5306-01-502-9499 is a Bolt,machine, manufactured by Federal Manufacturing Corp, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-502-9499 has 7 manufacturer part numbers on file: BACB30LM12DU32 (Federal Manufacturing Corp), BACB30LM12DU32 (Howmet Global Fastening Systems Inc), BACB30LM12DU32 (Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company), BACB30LM12DU32 (Valley-Todeco, Inc. Dba Arconic Fastening Systems), BACB30LM12DU32 (Sps Technologies, Llc Dba PB Fasteners) and 2 more.
Key specifications for BACB30LM12DU32: Head Height: 0.375 INCHES MINIMUM AND 0.390 INCHES MAXIMUM IN; Fastener Length: 3.041 INCHES NOMINAL IN; Surface Treatment Document and Classification: QQ-P-35 TYPE II FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Thread Length: 1.041 INCHES NOMINAL IN. 18 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.