The Bolt,shear, cataloged under National Stock Number 5306-01-480-2729, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is Howmet Global Fastening Systems Inc Div City of Industry Operations. Government technical data includes 19 specifications, cited from the U.S. Government catalog. The record lists 8 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5306-01-480-2729 |
| Primary Part Number | BACB30US12K44 |
| Item Name | Bolt,shear |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Howmet Global Fastening Systems Inc Div City of Industry Operations |
| Status | ACTIVE |
| Extended Washer Thickness | 0.178 INCHES NOMINAL IN |
| Head Height | 0.630 INCHES NOMINAL IN |
| Fastener Length | 3.901 INCHES NOMINAL IN |
| Surface Treatment Document and Classification | MIL-C-85614 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Extended Washer Diameter | 1.225 INCHES NOMINAL IN |
| Thread Length | 1.151 INCHES NOMINAL IN |
| Material Document and Classification | AMS5662 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.750 INCHES IN |
| Head Style | DOUBLE HEXAGON EXTENDED WASHER |
| Thread Direction | RIGHT-HAND |
| Grip Length | 2.750 INCHES NOMINAL IN |
| Width Between Flats | 0.803 INCHES MINIMUM AND 0.814 INCHES MAXIMUM IN |
| Grip Diameter | 0.748 INCHES MINIMUM AND 0.749 INCHES MAXIMUM IN |
| Surface Treatment | ALUMINUM OVERALL |
| Minimum Tensile Strength | 220000 POUNDS PER SQUARE INCH LBS |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 16 |
| Material | NICKEL ALLOY 718 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 |
|---|---|
| BACB30US12K44 | Howmet Global Fastening Systems Inc Div City of Industry Operations (USA) |
| BACB30US12K44 | Federal Manufacturing Corp (USA) |
| BACB30US12K44 | Space-Lok, Inc. Dba Space-Lok Inc Div Space-Lok (USA) |
| BACB30US12K44 | Sps Technologies, Llc Dba PB Fasteners (USA) |
| BACB30US12K44 | Sonic Industries, Inc. Dba Sonic Industries Inc Div Sonic Industries (USA) |
| BACB30US12K44 | Sps Technologies Llc Dba PB Fasteners Div PB Fasteners (USA) |
| BACB30US12K44 | Briles Aerospace, Llc (USA) |
| BACB30US12K44 | Valley-Todeco, Inc. Dba Arconic Fastening Systems (USA) |
| Reference | Meaning |
|---|---|
| BACB30US12K44 | 3/2 Design control — primary reference U.S. Government activity |
| LE111-0067-4244 | 7/2 Vendor item drawing reference Sps Technologies, Llc Dba PB Fasteners |
NSN 5306-01-480-2729 is a Bolt,shear, manufactured by Howmet Global Fastening Systems Inc Div City of Industry Operations, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-480-2729 has 8 manufacturer part numbers on file: BACB30US12K44 (Howmet Global Fastening Systems Inc Div City of Industry Operations), BACB30US12K44 (Federal Manufacturing Corp), BACB30US12K44 (Space-Lok, Inc. Dba Space-Lok Inc Div Space-Lok), BACB30US12K44 (Sps Technologies, Llc Dba PB Fasteners), BACB30US12K44 (Sonic Industries, Inc. Dba Sonic Industries Inc Div Sonic Industries) and 3 more.
Key specifications for BACB30US12K44: Extended Washer Thickness: 0.178 INCHES NOMINAL IN; Head Height: 0.630 INCHES NOMINAL IN; Fastener Length: 3.901 INCHES NOMINAL IN; Surface Treatment Document and Classification: MIL-C-85614 MIL SPEC 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.