The Bolt,machine, cataloged under National Stock Number 5306-01-139-6478, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is Sps Technologies Llc Dba PB Fasteners Div PB Fasteners. Government technical data includes 19 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-01-139-6478 |
| Primary Part Number | BACB30MT9T24X |
| Item Name | Bolt,machine |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Sps Technologies Llc Dba PB Fasteners Div PB Fasteners |
| Status | ACTIVE |
| Extended Washer Thickness | 0.133 INCHES NOMINAL0.133 INCHES NOMINAL IN |
| Head Height | 0.424 INCHES NOMINAL0.424 INCHES NOMINAL IN |
| Fastener Length | 1.472 INCHES NOMINAL1.472 INCHES NOMINAL IN |
| Extended Washer Diameter | 0.933 INCHES NOMINAL0.933 INCHES NOMINAL IN |
| Thread Length | 0.910 INCHES NOMINAL0.910 INCHES NOMINAL IN |
| Hole Configuration Style | DOUBLE HEXAGON LONGITUDINAL HOLEDOUBLE HEXAGON LONGITUDINAL HOLE |
| Material Document and Classification | AMS6487 ASSN STD SINGLE MATERIAL RESPONSE OVERALLAMS6487 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.562 INCHES0.562 INCHES IN |
| Thread Direction | RIGHT-HANDRIGHT-HAND |
| Width Between Flats | 0.703 INCHES MINIMUM AND 0.703 INCHES MINIMUM AND 0.724 INCHES MAXIMUM0.724 INCHES MAXIMUM IN |
| Surface Treatment | NICKEL OR NICKEL OR CADMIUM OVERALLCADMIUM OVERALL |
| Minimum Tensile Strength | 220000 POUNDS PER SQUARE INCH220000 POUNDS PER SQUARE INCH LBS |
| Thread Class | 3A3A |
| Thread Quantity Per Inch | 1818 |
| Material | STEEL COMP H11 OVERALL |
| Hole Quantity | 44 |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF)UNIFIED NATIONAL JOINT FINE (UNJF) |
| Hole Type | DRILLEDDRILLED |
| Hole Diameter | 0.055 INCHES NOMINAL0.055 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 |
|---|---|
| BACB30MT9T24X | Sps Technologies Llc Dba PB Fasteners Div PB Fasteners (USA) |
| BACB30MT9T24X | Valley-Todeco, Inc. Dba Arconic Fastening Systems (USA) |
| BACB30MT9T24X | Sps Technologies, Llc Dba PB Fasteners (USA) |
| BACB30MT9T24X | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| BACB30MT9T24X | Federal Manufacturing Corp (USA) |
| BACB30MT9T24X | Howmet Global Fastening Systems Inc (USA) |
| Reference | Meaning |
|---|---|
| BACB30MT9T24X | 5/9 Secondary reference Voi-Shan/chatsworth Div of Vsi Corp Sub of Fairchild Industries Inc |
| BACB30MT9T24X | 3/2 Design control — primary reference U.S. Government activity |
NSN 5306-01-139-6478 is a Bolt,machine, manufactured by Sps Technologies Llc Dba PB Fasteners Div PB Fasteners, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-139-6478 has 6 manufacturer part numbers on file: BACB30MT9T24X (Sps Technologies Llc Dba PB Fasteners Div PB Fasteners), BACB30MT9T24X (Valley-Todeco, Inc. Dba Arconic Fastening Systems), BACB30MT9T24X (Sps Technologies, Llc Dba PB Fasteners), BACB30MT9T24X (Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company), BACB30MT9T24X (Federal Manufacturing Corp) and 1 more.
Key specifications for BACB30MT9T24X: Extended Washer Thickness: 0.133 INCHES NOMINAL0.133 INCHES NOMINAL IN; Head Height: 0.424 INCHES NOMINAL0.424 INCHES NOMINAL IN; Fastener Length: 1.472 INCHES NOMINAL1.472 INCHES NOMINAL IN; Extended Washer Diameter: 0.933 INCHES NOMINAL0.933 INCHES NOMINAL 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.