The Bolt,shear, cataloged under National Stock Number 5306-01-339-0209, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is Valley-Todeco, Inc. Dba Arconic Fastening Systems. Government technical data includes 20 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-01-339-0209 |
| Primary Part Number | BACB30US4-6 |
| Item Name | Bolt,shear |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Valley-Todeco, Inc. Dba Arconic Fastening Systems |
| Status | ACTIVE |
| Surface Finish | 32.0 MICROINCHES BEARING SURFACE OF HEAD |
| Extended Washer Thickness | 0.032 INCHES MINIMUM AND 0.052 INCHES MAXIMUM IN |
| Head Height | 0.225 INCHES MINIMUM AND 0.245 INCHES MAXIMUM IN |
| Fastener Length | 0.860 INCHES MINIMUM AND 0.890 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Extended Washer Diameter | 0.465 INCHES MINIMUM AND 0.475 INCHES MAXIMUM IN |
| Thread Length | 0.500 INCHES NOMINAL IN |
| Material Document and Classification | AMS5662 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.250 INCHES IN |
| Head Style | DOUBLE HEXAGON W/HOLE |
| Thread Direction | RIGHT-HAND |
| Grip Length | 0.365 INCHES MINIMUM AND 0.385 INCHES MAXIMUM IN |
| Width Between Flats | 0.297 INCHES MINIMUM AND 0.312 INCHES MAXIMUM IN |
| Grip Diameter | 0.2485 INCHES MINIMUM AND 0.2495 INCHES MAXIMUM IN |
| Surface Treatment | PASSIVATE OVERALL |
| Minimum Tensile Strength | 220000 POUNDS PER SQUARE INCH LBS |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 28 |
| Material | NICKEL ALLOY K-500 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 |
|---|---|
| BACB30US4-6 | Valley-Todeco, Inc. Dba Arconic Fastening Systems (USA) |
| BACB30US4-6 | Sps Technologies, Llc Dba PB Fasteners (USA) |
| BACB30US4-6 | Sps Technologies Llc Dba PB Fasteners Div PB Fasteners (USA) |
| BACB30US4-6 | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| BACB30US4-6 | Huck International, Inc (USA) |
| BACB30US4-6 | Federal Manufacturing Corp (USA) |
| Reference | Meaning |
|---|---|
| BACB30US4-6 | 3/2 Design control — primary reference U.S. Government activity |
| BACB30US4-6 | 5/2 Secondary reference U.S. Government activity |
| BACB30US4-6 | 5/9 Secondary reference U.S. Government activity |
NSN 5306-01-339-0209 is a Bolt,shear, manufactured by Valley-Todeco, Inc. Dba Arconic Fastening Systems, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-339-0209 has 6 manufacturer part numbers on file: BACB30US4-6 (Valley-Todeco, Inc. Dba Arconic Fastening Systems), BACB30US4-6 (Sps Technologies, Llc Dba PB Fasteners), BACB30US4-6 (Sps Technologies Llc Dba PB Fasteners Div PB Fasteners), BACB30US4-6 (Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company), BACB30US4-6 (Huck International, Inc) and 1 more.
Key specifications for BACB30US4-6: Surface Finish: 32.0 MICROINCHES BEARING SURFACE OF HEAD; Extended Washer Thickness: 0.032 INCHES MINIMUM AND 0.052 INCHES MAXIMUM IN; Head Height: 0.225 INCHES MINIMUM AND 0.245 INCHES MAXIMUM IN; Fastener Length: 0.860 INCHES MINIMUM AND 0.890 INCHES MAXIMUM IN. 20 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.