The Bolt,shear, cataloged under National Stock Number 5306-01-052-4441, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is Huck International, Inc. Government technical data includes 16 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through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-01-052-4441 |
| Primary Part Number | BM17020-3-11A |
| Item Name | Bolt,shear |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Huck International, Inc |
| Status | ACTIVE |
| Head Height | 0.130 INCHES MINIMUM AND 0.150 INCHES MAXIMUM IN |
| Fastener Length | 0.908 INCHES MINIMUM AND 0.955 INCHES MAXIMUM IN |
| Thread Length | 0.210 INCHES MINIMUM AND 0.277 INCHES MAXIMUM IN |
| Hardness Rating | 46.0 ROCKWELL C MINIMUM AND 50.0 ROCKWELL C MAXIMUM OVERALL |
| Nominal Thread Diameter | 0.190 INCHES IN |
| Head Style | DOUBLE HEXAGON |
| Thread Direction | RIGHT-HAND |
| Specification/standard Data | 85495-B-17020 MANUFACTURERS STANDARD |
| Grip Length | 0.678 INCHES MINIMUM AND 0.698 INCHES MAXIMUM IN |
| Width Between Flats | 0.367 INCHES MINIMUM AND 0.376 INCHES MAXIMUM IN |
| Grip Diameter | 0.1885 INCHES MINIMUM AND 0.1894 INCHES MAXIMUM IN |
| Surface Treatment | CADMIUM OVERALL |
| Minimum Tensile Strength | 220000 POUNDS PER SQUARE INCH LBS |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 32 |
| 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 |
|---|---|
| BM17020-3-11A PRIMARY | Huck International, Inc (USA) |
| H401-3-11 PRIMARY | Huck International, Inc (USA) |
| VS3071-3F11 PRIMARY | Howmet Global Fastening Systems Inc (USA) |
| VAL22034-3F11 PRIMARY | Valley-Todeco, Inc. Dba Arconic Fastening Systems (USA) |
| VAL22034-3G11 PRIMARY | Valley-Todeco, Inc. Dba Arconic Fastening Systems (USA) |
| AIC516B3-11 PRIMARY | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| Reference | Meaning |
|---|---|
| BM17020-3-11A | 5/9 Secondary reference U.S. Government activity |
| GB511B3-11 | 7/2 Vendor item drawing reference Northrop Grumman Systems Corporation |
| EWSB22D3-A11 | 3/2 Design control — primary reference U.S. Government activity |
| EWSB22D3-A11 | 5/9 Secondary reference Sps Technologies, Llc Dba PB Fasteners |
| VS3071-3F11 | 5/9 Secondary reference U.S. Government activity |
NSN 5306-01-052-4441 is a Bolt,shear, manufactured by Huck International, Inc, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-052-4441 has 6 manufacturer part numbers on file: BM17020-3-11A (Huck International, Inc), H401-3-11 (Huck International, Inc), VS3071-3F11 (Howmet Global Fastening Systems Inc), VAL22034-3F11 (Valley-Todeco, Inc. Dba Arconic Fastening Systems), VAL22034-3G11 (Valley-Todeco, Inc. Dba Arconic Fastening Systems) and 1 more.
Key specifications for BM17020-3-11A: Head Height: 0.130 INCHES MINIMUM AND 0.150 INCHES MAXIMUM IN; Fastener Length: 0.908 INCHES MINIMUM AND 0.955 INCHES MAXIMUM IN; Thread Length: 0.210 INCHES MINIMUM AND 0.277 INCHES MAXIMUM IN; Hardness Rating: 46.0 ROCKWELL C MINIMUM AND 50.0 ROCKWELL C MAXIMUM OVERALL. 16 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.