The Bolt,shear, cataloged under National Stock Number 5306-01-266-9207, 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. Government technical data includes 21 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-01-266-9207 |
| Primary Part Number | BACB30ST7-31 |
| Item Name | Bolt,shear |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Sps Technologies, Llc Dba PB Fasteners |
| Status | ACTIVE |
| Surface Finish | 32.0 MICROINCHES THREADS |
| Surface Finish | 32.0 MICROINCHES GRIP |
| Surface Finish | 63.0 MICROINCHES BEARING SURFACE OF HEAD |
| Head Height | 0.219 INCHES MINIMUM AND 0.234 INCHES MAXIMUM IN |
| Fastener Length | 2.801 INCHES MINIMUM AND 2.831 INCHES MAXIMUM IN |
| Thread Length | 0.466 INCHES MINIMUM AND 0.476 INCHES MAXIMUM IN |
| Hardness Rating | 36.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM FASTENER |
| Shank Unthreaded Hole Diameter | 0.106 INCHES MINIMUM AND 0.116 INCHES MAXIMUM FIRST HOLE IN |
| Nominal Thread Diameter | 0.438 INCHES IN |
| Head Style | DISHED HEXAGON |
| Thread Direction | RIGHT-HAND |
| Grip Length | 1.923 INCHES MINIMUM AND 1.953 INCHES MAXIMUM IN |
| Width Between Flats | 0.679 INCHES MINIMUM AND 0.690 INCHES MAXIMUM IN |
| Grip Diameter | 0.4363 INCHES MINIMUM AND 0.4370 INCHES MAXIMUM IN |
| Surface Treatment | CADMIUM AND CHROMATE FASTENER |
| Minimum Tensile Strength | 160000 POUNDS PER SQUARE INCH LBS |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 20 |
| Material | STEEL COMP E4340 OR STEEL COMP 4140 OR STEEL COMP 8740 OR STEEL COMP 8735 OR STEEL COMP 6150 FASTENER |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Distance From Head Largest Bearing Surface to Shank Hole Center | 2.258 INCHES MINIMUM AND 2.316 INCHES MAXIMUM 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 |
|---|---|
| BACB30ST7-31 PRIMARY | Sps Technologies, Llc Dba PB Fasteners (USA) |
| BACB30ST7-31 PRIMARY | Space-Lok, Inc. Dba Space-Lok Inc Div Space-Lok (USA) |
| Reference | Meaning |
|---|---|
| BACB30ST7-31 | 5/9 Secondary reference U.S. Government activity |
| BACB30ST7-31 | 3/2 Design control — primary reference U.S. Government activity |
| BACB30ST7-31 | 5/9 Secondary reference Howmet Global Fastening Systems Inc. Div Tridair Products |
| BACB30ST7-31 | 3/2 Design control — primary reference U.S. Government activity |
| BACB30ST7-31 | 7/2 Vendor item drawing reference U.S. Government activity |
NSN 5306-01-266-9207 is a Bolt,shear, manufactured by Sps Technologies, Llc Dba PB Fasteners, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-266-9207 has 2 manufacturer part numbers on file: BACB30ST7-31 (Sps Technologies, Llc Dba PB Fasteners), BACB30ST7-31 (Space-Lok, Inc. Dba Space-Lok Inc Div Space-Lok).
Key specifications for BACB30ST7-31: Surface Finish: 32.0 MICROINCHES THREADS; Surface Finish: 32.0 MICROINCHES GRIP; Surface Finish: 63.0 MICROINCHES BEARING SURFACE OF HEAD; Head Height: 0.219 INCHES MINIMUM AND 0.234 INCHES MAXIMUM IN. 21 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.