The Bolt,shear, cataloged under National Stock Number 5306-01-642-7983, 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 26 specifications, cited from the U.S. Government catalog. The record lists 9 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-01-642-7983 |
| Primary Part Number | BACB30US8K25 |
| Item Name | Bolt,shear |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Federal Manufacturing Corp |
| Status | ACTIVE |
| Surface Finish | 32.0 MICROINCHES THREADS |
| Surface Finish | 32.0 MICROINCHES GRIP |
| Surface Finish | 32.0 MICROINCHES BEARING SURFACE OF HEAD |
| Surface Finish | 32.0 MICROINCHES HEAD |
| Extended Washer Thickness | 0.113 INCHES MINIMUM AND 0.133 INCHES MAXIMUM IN |
| Head Height | 0.420 INCHES MINIMUM AND 0.440 INCHES MAXIMUM IN |
| Fastener Length | 2.3605 INCHES MINIMUM AND 2.3905 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | ALUMINUM PIGMENTED COATING IAW BMS10-85,TYPE I MFR REF SINGLE TREATMENT RESPONSE OVERALL |
| Extended Washer Diameter | 0.818 INCHES MINIMUM AND 0.828 INCHES MAXIMUM IN |
| Thread Length | 0.813 INCHES NOMINAL IN |
| Material Document and Classification | AMS5662 OR 5962 NATIONAL STD SINGLE MATERIAL RESPONSE OVERALL |
| Single Shear Strength | ERR-060 |
| Nominal Thread Diameter | 0.500 INCHES IN |
| Head Style | DOUBLE HEXAGON EXTENDED WASHER |
| Thread Direction | RIGHT-HAND |
| Specification/standard Data | 81205-BACB30US MANUFACTURERS STANDARD |
| Grip Length | 1.5525 INCHES MINIMUM AND 1.5725 INCHES MAXIMUM IN |
| Width Between Flats | 0.637 INCHES MINIMUM AND 0.651 INCHES MAXIMUM IN |
| Grip Diameter | 0.4981 INCHES MINIMUM AND 0.4995 INCHES MAXIMUM IN |
| Color | BLACK THREADS |
| Surface Treatment | ALUMINUM OVERALL |
| Minimum Tensile Strength | 220000 POUNDS PER SQUARE INCH LBS |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 20 |
| 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 |
|---|---|
| BACB30US8K25 PRIMARY | Federal Manufacturing Corp (USA) |
| BACB30US8K25 PRIMARY | Huck International, Inc (USA) |
| BACB30US8K25 PRIMARY | Sps Technologies Llc Dba PB Fasteners Div PB Fasteners (USA) |
| BACB30US8K25 PRIMARY | Howmet Global Fastening Systems Inc (USA) |
| BACB30US8K25 PRIMARY | Valley-Todeco, Inc. Dba Arconic Fastening Systems (USA) |
| BACB30US8K25 PRIMARY | Sps Technologies, Llc Dba PB Fasteners (USA) |
| BACB30US8K25 PRIMARY | Sonic Industries, Inc. Dba Sonic Industries Inc Div Sonic Industries (USA) |
| BACB30US8K25 PRIMARY | Howmet Global Fastening Systems Inc Div City of Industry Operations (USA) |
| BACB30US8K25 PRIMARY | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| Reference | Meaning |
|---|---|
| BACB30US8K25 | 7/2 Vendor item drawing reference U.S. Government activity |
NSN 5306-01-642-7983 is a Bolt,shear, manufactured by Federal Manufacturing Corp, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-642-7983 has 9 manufacturer part numbers on file: BACB30US8K25 (Federal Manufacturing Corp), BACB30US8K25 (Huck International, Inc), BACB30US8K25 (Sps Technologies Llc Dba PB Fasteners Div PB Fasteners), BACB30US8K25 (Howmet Global Fastening Systems Inc), BACB30US8K25 (Valley-Todeco, Inc. Dba Arconic Fastening Systems) and 4 more.
1 possible match (shared part number, not a government interchangeability claim): 5306-01-687-7707. Verify interchangeability with system specifications before substitution.
Key specifications for BACB30US8K25: Surface Finish: 32.0 MICROINCHES THREADS; Surface Finish: 32.0 MICROINCHES GRIP; Surface Finish: 32.0 MICROINCHES BEARING SURFACE OF HEAD; Surface Finish: 32.0 MICROINCHES HEAD. 26 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.