The Bolt,shear, cataloged under National Stock Number 5306-00-286-0198, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is Fastener Innovation Technology, Inc. Dba F I T. Government technical data includes 17 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-00-286-0198 |
| Primary Part Number | ST3M571-5-11 |
| Item Name | Bolt,shear |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Fastener Innovation Technology, Inc. Dba F I T |
| Status | ACTIVE |
| Extended Washer Thickness | 0.072 INCHES MINIMUM AND 0.092 INCHES MAXIMUM IN |
| Head Height | 0.338 INCHES MINIMUM AND 0.358 INCHES MAXIMUM IN |
| Fastener Length | 1.224 INCHES MINIMUM AND 1.254 INCHES MAXIMUM IN |
| Extended Washer Diameter | 0.516 INCHES MINIMUM AND 0.536 INCHES MAXIMUM IN |
| Thread Length | 0.526 INCHES MINIMUM AND 0.576 INCHES MAXIMUM IN |
| Nominal Thread Diameter | 0.312 INCHES IN |
| Head Style | DOUBLE HEXAGON W/HOLE |
| Thread Direction | RIGHT-HAND |
| 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 | 0.3115 INCHES MINIMUM AND 0.3120 INCHES MAXIMUM IN |
| Surface Treatment | PASSIVATE OVERALL |
| Minimum Tensile Strength | 220000 POUNDS PER SQUARE INCH LBS |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 24 |
| Material | STEEL CORROSION RESISTING 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 |
|---|---|
| BM332F-5-11 | Huck International, Inc (USA) |
| ST3M571-5-11 PRIMARY | Fastener Innovation Technology, Inc. Dba F I T (USA) |
| ST3M571-5-11 | Heartland Precision Fasteners Inc (USA) |
| VAL23033-5-11 | Valley-Todeco, Inc. Dba Arconic Fastening Systems (USA) |
| PBF23T5P11 | Sps Technologies Llc Dba PB Fasteners Div PB Fasteners (USA) |
| S11-1059-5-11 | Sonic Industries, Inc. Dba Sonic Industries Inc Div Sonic Industries (USA) |
| GS1030-5-11 | B & B Specialties Inc Dba Gs Aerospace Div Gs Aerospace (USA) |
| ST3M571-5-11 | Sps Technologies Llc Dba PB Fasteners Div PB Fasteners (USA) |
| MB84-5-11 | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAN) |
| AIC752-5-11 | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| S371-5-11 | Huck International, Inc (USA) |
| ST3M571-5-11 | Howmet Global Fastening Systems Inc (USA) |
| 74328-5-11 | Sps Technologies, Llc Dba PB Fasteners (USA) |
| MB84-5-11 | Hi-Shear Corporation (USA) |
| Reference | Meaning |
|---|---|
| BM332F-5-11 | 5/9 Secondary reference U.S. Government activity |
| BS3060-5-11 | 5/2 Secondary reference U.S. Government activity |
| S371-5-11 | 5/9 Secondary reference U.S. Government activity |
| ST3M571-5-11 | 7/2 Vendor item drawing reference The Boeing Company Div Defense |
NSN 5306-00-286-0198 is a Bolt,shear, manufactured by Fastener Innovation Technology, Inc. Dba F I T, classified under FSC 5306, Bolts. Status: active.
NSN 5306-00-286-0198 has 14 manufacturer part numbers on file: BM332F-5-11 (Huck International, Inc), ST3M571-5-11 (Fastener Innovation Technology, Inc. Dba F I T), ST3M571-5-11 (Heartland Precision Fasteners Inc), VAL23033-5-11 (Valley-Todeco, Inc. Dba Arconic Fastening Systems), PBF23T5P11 (Sps Technologies Llc Dba PB Fasteners Div PB Fasteners) and 9 more.
Key specifications for ST3M571-5-11: Extended Washer Thickness: 0.072 INCHES MINIMUM AND 0.092 INCHES MAXIMUM IN; Head Height: 0.338 INCHES MINIMUM AND 0.358 INCHES MAXIMUM IN; Fastener Length: 1.224 INCHES MINIMUM AND 1.254 INCHES MAXIMUM IN; Extended Washer Diameter: 0.516 INCHES MINIMUM AND 0.536 INCHES MAXIMUM IN. 17 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.