The Bolt,shear, cataloged under National Stock Number 5306-01-052-4442, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is Howmet Global Fastening Systems 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through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5306-01-052-4442 |
| Primary Part Number | VS3071-18F134 |
| Item Name | Bolt,shear |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Howmet Global Fastening Systems Inc |
| Status | ACTIVE |
| Head Height | 0.599 INCHES MINIMUM AND 0.619 INCHES MAXIMUM IN |
| Fastener Length | 13.417 INCHES MINIMUM AND 13.454 INCHES MAXIMUM IN |
| Thread Length | 5.032 INCHES MINIMUM AND 5.079 INCHES MAXIMUM IN |
| Hardness Rating | 46.0 ROCKWELL C MINIMUM AND 50.0 ROCKWELL C MAXIMUM OVERALL |
| Nominal Thread Diameter | 1.125 INCHES IN |
| Head Style | DOUBLE HEXAGON |
| Thread Direction | RIGHT-HAND |
| Specification/standard Data | 85495-B-17020 MANUFACTURERS STANDARD |
| Grip Length | 8.365 INCHES MINIMUM AND 8.385 INCHES MAXIMUM IN |
| Width Between Flats | 1.614 INCHES MINIMUM AND 1.627 INCHES MAXIMUM IN |
| Grip Diameter | 1.1225 INCHES MINIMUM AND 1.1240 INCHES MAXIMUM IN |
| Surface Treatment | CADMIUM OVERALL |
| Minimum Tensile Strength | 220000 POUNDS PER SQUARE INCH LBS |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 12 |
| 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 |
|---|---|
| VS3071-18F134 PRIMARY | Howmet Global Fastening Systems Inc (USA) |
| VAL22034-18G134 PRIMARY | Valley-Todeco, Inc. Dba Arconic Fastening Systems (USA) |
| VAL22034-18F134 PRIMARY | Valley-Todeco, Inc. Dba Arconic Fastening Systems (USA) |
| BM17020-18-134A PRIMARY | Huck International, Inc (USA) |
| AIC516B18-134 PRIMARY | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| H401-18-134 PRIMARY | Huck International, Inc (USA) |
| Reference | Meaning |
|---|---|
| EWSB22D18-A134 | 3/2 Design control — primary reference U.S. Government activity |
| BM17020-18-134A | 5/9 Secondary reference U.S. Government activity |
| EWSB22D18-A134 | 5/9 Secondary reference Sps Technologies, Llc Dba PB Fasteners |
| VS3071-18F134 | 5/9 Secondary reference U.S. Government activity |
| GB511B18-134 | 7/2 Vendor item drawing reference Northrop Grumman Systems Corporation |
NSN 5306-01-052-4442 is a Bolt,shear, manufactured by Howmet Global Fastening Systems Inc, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-052-4442 has 6 manufacturer part numbers on file: VS3071-18F134 (Howmet Global Fastening Systems Inc), VAL22034-18G134 (Valley-Todeco, Inc. Dba Arconic Fastening Systems), VAL22034-18F134 (Valley-Todeco, Inc. Dba Arconic Fastening Systems), BM17020-18-134A (Huck International, Inc), AIC516B18-134 (Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company) and 1 more.
Key specifications for VS3071-18F134: Head Height: 0.599 INCHES MINIMUM AND 0.619 INCHES MAXIMUM IN; Fastener Length: 13.417 INCHES MINIMUM AND 13.454 INCHES MAXIMUM IN; Thread Length: 5.032 INCHES MINIMUM AND 5.079 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.