The Bolt,shear, cataloged under National Stock Number 5306-00-126-5151, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is Howmet Global Fastening Systems Inc. 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-00-126-5151 |
| Primary Part Number | BACB30FD18-72 |
| Item Name | Bolt,shear |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Howmet Global Fastening Systems Inc |
| Status | ACTIVE |
| Extended Washer Thickness | 0.248 INCHES MINIMUM AND 0.268 INCHES MAXIMUM IN |
| Head Height | 1.041 INCHES MINIMUM AND 1.061 INCHES MAXIMUM IN |
| Fastener Length | 6.072 INCHES MINIMUM AND 6.102 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | NAS 672 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| Extended Washer Diameter | 1.865 INCHES MINIMUM AND 1.875 INCHES MAXIMUM IN |
| Thread Length | 1.562 INCHES MINIMUM AND 1.612 INCHES MAXIMUM IN |
| Material Document and Classification | MIL-S-5000 MIL SPEC 1ST MATERIAL RESPONSE OR MIL-S-6049 MIL SPEC 2ND MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 1.125 INCHES IN |
| Head Style | DOUBLE HEXAGON W/HOLE |
| Thread Direction | RIGHT-HAND |
| Grip Length | 4.490 INCHES MINIMUM AND 4.510 INCHES MAXIMUM IN |
| Width Between Flats | 1.239 INCHES MINIMUM AND 1.252 INCHES MAXIMUM IN |
| Grip Diameter | 1.1225 INCHES MINIMUM AND 1.1240 INCHES MAXIMUM IN |
| Surface Treatment | CADMIUM OVERALL |
| Minimum Tensile Strength | 180000 POUNDS PER SQUARE INCH LBS |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 12 |
| Material | STEEL COMP E4340 OR STEEL COMP 8740 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 |
|---|---|
| BACB30FD18-72 | Howmet Global Fastening Systems Inc (USA) |
| BACB30FD18-72 | Huck International, Inc (USA) |
| BACB30FD18-72 | Sps Technologies, Llc Dba PB Fasteners (USA) |
| Reference | Meaning |
|---|---|
| BACB30FD18-72 | 5/9 Secondary reference Sps Technologies Llc Dba PB Fasteners Div PB Fasteners |
| BACB30FD18-72 | 5/9 Secondary reference Valley-Todeco, Inc. Dba Arconic Fastening Systems |
| BACB30FD18-72 | 3/2 Design control — primary reference U.S. Government activity |
| BACB30FD18-72 | C/1 Advisory reference — outside the item-of-supply concept The Boeing Company |
NSN 5306-00-126-5151 is a Bolt,shear, manufactured by Howmet Global Fastening Systems Inc, classified under FSC 5306, Bolts. Status: active.
NSN 5306-00-126-5151 has 3 manufacturer part numbers on file: BACB30FD18-72 (Howmet Global Fastening Systems Inc), BACB30FD18-72 (Huck International, Inc), BACB30FD18-72 (Sps Technologies, Llc Dba PB Fasteners).
Key specifications for BACB30FD18-72: Extended Washer Thickness: 0.248 INCHES MINIMUM AND 0.268 INCHES MAXIMUM IN; Head Height: 1.041 INCHES MINIMUM AND 1.061 INCHES MAXIMUM IN; Fastener Length: 6.072 INCHES MINIMUM AND 6.102 INCHES MAXIMUM IN; Surface Treatment Document and Classification: NAS 672 ASSN STD SINGLE TREATMENT RESPONSE OVERALL. 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.