The Bolt,shear, cataloged under National Stock Number 5306-01-451-9733, 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 20 specifications, cited from the U.S. Government catalog. The record lists 10 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5306-01-451-9733 |
| Primary Part Number | BACB30US8K40Y |
| 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 |
| 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 | 1.298 INCHES MINIMUM AND 1.328 INCHES MAXIMUM IN |
| Extended Washer Diameter | 0.818 INCHES MINIMUM AND 0.828 INCHES MAXIMUM IN |
| Thread Length | 0.813 INCHES NOMINAL IN |
| Nominal Thread Diameter | 0.500 INCHES IN |
| Head Style | DOUBLE HEXAGON EXTENDED WASHER |
| Thread Direction | RIGHT-HAND |
| Grip Length | 0.490 INCHES MINIMUM AND 0.510 INCHES MAXIMUM IN |
| Width Between Flats | 0.547 INCHES MINIMUM AND 0.562 INCHES MAXIMUM IN |
| Grip Diameter | 0.5297 INCHES MINIMUM AND 0.5307 INCHES MAXIMUM IN |
| 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 |
|---|---|
| BACB30US8K40Y PRIMARY | Federal Manufacturing Corp (USA) |
| BACB30US8K40Y PRIMARY | Sps Technologies, Llc Dba PB Fasteners (USA) |
| BACB30US8K40Y PRIMARY | Valley-Todeco, Inc. Dba Arconic Fastening Systems (USA) |
| BACB30US8K40Y PRIMARY | Sonic Industries, Inc. Dba Sonic Industries Inc Div Sonic Industries (USA) |
| BACB30US8K40Y PRIMARY | Howmet Global Fastening Systems Inc (USA) |
| BACB30US8K40Y | Howmet Global Fastening Systems Inc. Div Voi-Shan Products (USA) |
| BACK30US8K40Y PRIMARY | Howmet Global Fastening Systems Inc Div City of Industry Operations (USA) |
| BACB30US8K40Y PRIMARY | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| BACB30US8K40Y PRIMARY | Huck International, Inc (USA) |
| BACB30US8K40Y PRIMARY | Sps Technologies Llc Dba PB Fasteners Div PB Fasteners (USA) |
| Reference | Meaning |
|---|---|
| BACB30US8K40Y | 7/2 Vendor item drawing reference U.S. Government activity |
NSN 5306-01-451-9733 is a Bolt,shear, manufactured by Federal Manufacturing Corp, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-451-9733 has 10 manufacturer part numbers on file: BACB30US8K40Y (Federal Manufacturing Corp), BACB30US8K40Y (Sps Technologies, Llc Dba PB Fasteners), BACB30US8K40Y (Valley-Todeco, Inc. Dba Arconic Fastening Systems), BACB30US8K40Y (Sonic Industries, Inc. Dba Sonic Industries Inc Div Sonic Industries), BACB30US8K40Y (Howmet Global Fastening Systems Inc) and 5 more.
Key specifications for BACB30US8K40Y: Surface Finish: 32.0 MICROINCHES THREADS; Surface Finish: 32.0 MICROINCHES GRIP; Surface Finish: 32.0 MICROINCHES BEARING SURFACE OF HEAD; Extended Washer Thickness: 0.113 INCHES MINIMUM AND 0.133 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.