The Bolt,shear, cataloged under National Stock Number 5306-01-283-9209, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is The Boeing Company Div Defense. Government technical data includes 23 specifications, cited from the U.S. Government catalog. The record lists 14 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 7 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-01-283-9209 |
| Primary Part Number | ST3M571-8H22 |
| Item Name | Bolt,shear |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | The Boeing Company Div Defense |
| Status | ACTIVE |
| Extended Washer Thickness | 0.113 INCHES MINIMUM AND 0.133 INCHES MAXIMUM IN |
| Head Height | 0.494 INCHES MINIMUM AND 0.514 INCHES MAXIMUM IN |
| Fastener Length | 2.127 INCHES MINIMUM AND 2.157 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Extended Washer Diameter | 0.818 INCHES MINIMUM AND 0.828 INCHES MAXIMUM IN |
| Thread Length | 0.742 INCHES MINIMUM AND 0.792 INCHES MAXIMUM IN |
| Hole Configuration Style | DOUBLE HEXAGON LONGITUDINAL HOLE |
| Material Document and Classification | AMS 5629 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.500 INCHES IN |
| Head Style | DOUBLE HEXAGON W/HOLE |
| Thread Direction | RIGHT-HAND |
| Grip Length | 1.365 INCHES MINIMUM AND 1.385 INCHES MAXIMUM IN |
| Width Between Flats | 0.564 INCHES NOMINAL IN |
| Grip Diameter | 0.4990 INCHES MINIMUM AND 0.4995 INCHES MAXIMUM IN |
| Surface Treatment | PASSIVATE OVERALL |
| Minimum Tensile Strength | 220000 POUNDS PER SQUARE INCH LBS |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 20 |
| Material | STEEL COMP XM-13 OVERALL |
| Hole Quantity | 4 |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Hole Type | DRILLED |
| Hole Diameter | 0.050 INCHES MINIMUM AND 0.060 INCHES MAXIMUM IN |
| 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 |
|---|---|
| MB84-8H22 | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAN) |
| BM3326-8H22 | Huck International, Inc (USA) |
| VS3060-8H22 | Howmet Global Fastening Systems Inc (USA) |
| ST3M571-8H22 | Heartland Precision Fasteners Inc (USA) |
| MB84-8H22 | Hi-Shear Corporation (USA) |
| 74328-8H22 | Sps Technologies, Llc Dba PB Fasteners (USA) |
| VAL23033-8H22 | Valley-Todeco, Inc. Dba Arconic Fastening Systems (USA) |
| AIC752-8H22 | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| ST3M571-8H22 | Sps Technologies Llc Dba PB Fasteners Div PB Fasteners (USA) |
| ST3M571-8H22 PRIMARY | The Boeing Company Div Defense (USA) |
| S11-1059-8H22 | Sonic Industries, Inc. Dba Sonic Industries Inc Div Sonic Industries (USA) |
| GS1030-8H22 | B & B Specialties Inc Dba Gs Aerospace Div Gs Aerospace (USA) |
| ST3M571-8H22 | Fastener Innovation Technology, Inc. Dba F I T (USA) |
| ST3M571-8H22 | Reid Products Inc. Dba Reid Products Inc (USA) |
| Reference | Meaning |
|---|---|
| ST3M571-8H22 | 5/9 Secondary reference U.S. Government activity |
| VS3060-8H22 | 5/9 Secondary reference U.S. Government activity |
| 74328-8H22 | 5/2 Secondary reference U.S. Government activity |
| S371-8H22 | 5/9 Secondary reference U.S. Government activity |
| ST3M571-8H22 | 5/9 Secondary reference Turbonics Inc |
| BM3326-8H22 | 5/9 Secondary reference Turbonics Inc |
| S371-8H22 | 5/9 Secondary reference Huck International, Inc |
NSN 5306-01-283-9209 is a Bolt,shear, manufactured by The Boeing Company Div Defense, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-283-9209 has 14 manufacturer part numbers on file: MB84-8H22 (Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc), BM3326-8H22 (Huck International, Inc), VS3060-8H22 (Howmet Global Fastening Systems Inc), ST3M571-8H22 (Heartland Precision Fasteners Inc), MB84-8H22 (Hi-Shear Corporation) and 9 more.
Key specifications for ST3M571-8H22: Extended Washer Thickness: 0.113 INCHES MINIMUM AND 0.133 INCHES MAXIMUM IN; Head Height: 0.494 INCHES MINIMUM AND 0.514 INCHES MAXIMUM IN; Fastener Length: 2.127 INCHES MINIMUM AND 2.157 INCHES MAXIMUM IN; Surface Treatment Document and Classification: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL. 23 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.