The Bolt,shear, cataloged under National Stock Number 5306-01-642-7972, 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 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-01-642-7972 |
| Primary Part Number | BACB30US10K20 |
| Item Name | Bolt,shear |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Howmet Global Fastening Systems Inc Div City of Industry Operations |
| 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 | 0.140 INCHES MINIMUM AND 0.160 INCHES MAXIMUM IN |
| Head Height | 0.520 INCHES MINIMUM AND 0.540 INCHES MAXIMUM IN |
| Fastener Length | 2.205 INCHES MINIMUM AND 2.235 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 | 1.04 INCHES MINIMUM AND 1.05 INCHES MAXIMUM IN |
| Thread Length | 0.970 INCHES NOMINAL IN |
| Material Document and Classification | AMS5662 OR 5962 NATIONAL STD SINGLE MATERIAL RESPONSE OVERALL |
| Single Shear Strength | ERR-060 |
| Nominal Thread Diameter | 0.6250 INCHES IN |
| Head Style | DOUBLE HEXAGON EXTENDED WASHER |
| Thread Direction | RIGHT-HAND |
| Specification/standard Data | 81205-BACB30US MANUFACTURERS STANDARD |
| Grip Length | 1.24 INCHES MINIMUM AND 1.26 INCHES MAXIMUM IN |
| Width Between Flats | 0.775 INCHES MINIMUM AND 0.797 INCHES MAXIMUM IN |
| Grip Diameter | 0.6226 INCHES MINIMUM AND 0.6240 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 | 18 |
| 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 |
|---|---|
| BACB30US10K20 PRIMARY | Howmet Global Fastening Systems Inc Div City of Industry Operations (USA) |
| BACB30US10K20 PRIMARY | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| BACB30US10K20 PRIMARY | Sps Technologies, Llc Dba PB Fasteners (USA) |
| BACB30US10K20 PRIMARY | Sonic Industries, Inc. Dba Sonic Industries Inc Div Sonic Industries (USA) |
| BACB30US10K20 PRIMARY | Howmet Global Fastening Systems Inc (USA) |
| BACB30US10K20 PRIMARY | Federal Manufacturing Corp (USA) |
| BACB30US10K20 PRIMARY | Valley-Todeco, Inc. Dba Arconic Fastening Systems (USA) |
| BACB30US10K20 PRIMARY | Sps Technologies Llc Dba PB Fasteners Div PB Fasteners (USA) |
| BACB30US10K20 PRIMARY | Huck International, Inc (USA) |
| Reference | Meaning |
|---|---|
| BACB30US10K20 | 7/2 Vendor item drawing reference U.S. Government activity |
NSN 5306-01-642-7972 is a Bolt,shear, manufactured by Howmet Global Fastening Systems Inc Div City of Industry Operations, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-642-7972 has 9 manufacturer part numbers on file: BACB30US10K20 (Howmet Global Fastening Systems Inc Div City of Industry Operations), BACB30US10K20 (Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company), BACB30US10K20 (Sps Technologies, Llc Dba PB Fasteners), BACB30US10K20 (Sonic Industries, Inc. Dba Sonic Industries Inc Div Sonic Industries), BACB30US10K20 (Howmet Global Fastening Systems Inc) and 4 more.
Key specifications for BACB30US10K20: 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.