The Bolt,shear, cataloged under National Stock Number 5306-01-671-6284, 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 17 specifications, cited from the U.S. Government catalog. The record lists 12 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5306-01-671-6284 |
| Primary Part Number | BACB30US6K20X |
| Item Name | Bolt,shear |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Federal Manufacturing Corp |
| Status | ACTIVE |
| Extended Washer Thickness | 0.081 INCHES MINIMUM AND 0.101 INCHES MAXIMUM IN |
| Head Height | 0.330 INCHES MINIMUM AND 0.350 INCHES MAXIMUM IN |
| Fastener Length | 1.878 INCHES MINIMUM AND 1.908 INCHES MAXIMUM IN |
| Extended Washer Diameter | 0.639 INCHES MINIMUM AND 0.649 INCHES MAXIMUM IN |
| Thread Length | 0.643 INCHES NOMINAL IN |
| Nominal Thread Diameter | 0.375 INCHES IN |
| Head Style | DOUBLE HEXAGON W/HOLE |
| Thread Direction | RIGHT-HAND |
| Grip Length | 1.240 INCHES MINIMUM AND 1.260 INCHES MAXIMUM IN |
| Width Between Flats | 0.490 INCHES MINIMUM AND 0.507 INCHES MAXIMUM IN |
| Grip Diameter | 0.3731 INCHES MINIMUM IN |
| Surface Treatment | ALUMINUM OVERALL |
| Minimum Tensile Strength | 220000 POUNDS PER SQUARE INCH LBS |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 24 |
| 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 |
|---|---|
| BACB30US6K20X | Federal Manufacturing Corp (USA) |
| BACB30US6K20X | Hi-Shear Corporation (USA) |
| BACB30US6K20X | Huck International, Inc (USA) |
| BACB30US6K20X | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAN) |
| BACB30US6K20X | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| BACB30US6K20X | Howmet Global Fastening Systems Inc Div City of Industry Operations (USA) |
| BACB30US6K20X | Space-Lok, Inc. Dba Space-Lok Inc Div Space-Lok (USA) |
| BACB30US6K20X | Howmet Global Fastening Systems Inc (USA) |
| BACB30US6K20X | Sps Technologies, Llc Dba PB Fasteners (USA) |
| BACB30US6K20X | Valley-Todeco, Inc. Dba Arconic Fastening Systems (USA) |
| BACB30US6K20X | Sps Technologies Llc Dba PB Fasteners Div PB Fasteners (USA) |
| BACB30US6K20X | Blanc Aero Industrie Villefranche De Rouergue - Groupe Lisi Aerospace (FRA) |
| Reference | Meaning |
|---|---|
| BACB30US6K20X | 3/2 Design control — primary reference U.S. Government activity |
NSN 5306-01-671-6284 is a Bolt,shear, manufactured by Federal Manufacturing Corp, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-671-6284 has 12 manufacturer part numbers on file: BACB30US6K20X (Federal Manufacturing Corp), BACB30US6K20X (Hi-Shear Corporation), BACB30US6K20X (Huck International, Inc), BACB30US6K20X (Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc), BACB30US6K20X (Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company) and 7 more.
Key specifications for BACB30US6K20X: Extended Washer Thickness: 0.081 INCHES MINIMUM AND 0.101 INCHES MAXIMUM IN; Head Height: 0.330 INCHES MINIMUM AND 0.350 INCHES MAXIMUM IN; Fastener Length: 1.878 INCHES MINIMUM AND 1.908 INCHES MAXIMUM IN; Extended Washer Diameter: 0.639 INCHES MINIMUM AND 0.649 INCHES MAXIMUM IN. 17 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.