The Bolt,shear, cataloged under National Stock Number 5306-00-288-2475, 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 19 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5306-00-288-2475 |
| Primary Part Number | ST3M571-9D30 |
| Item Name | Bolt,shear |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | The Boeing Company Div Defense |
| Status | ACTIVE |
| Extended Washer Thickness | 0.123 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN |
| Head Height | 0.547 INCHES MINIMUM AND 0.567 INCHES MAXIMUM IN |
| Fastener Length | 2.709 INCHES MINIMUM AND 2.739 INCHES MAXIMUM IN |
| Extended Washer Diameter | 0.928 INCHES MINIMUM AND 0.938 INCHES MAXIMUM IN |
| Thread Length | 0.824 INCHES MINIMUM AND 0.874 INCHES MAXIMUM IN |
| Shank Unthreaded Hole Diameter | 0.141 INCHES MINIMUM AND 0.146 INCHES MAXIMUM FIRST HOLE IN |
| Nominal Thread Diameter | 0.562 INCHES IN |
| Head Style | DOUBLE HEXAGON W/HOLE |
| Thread Direction | RIGHT-HAND |
| Grip Length | 1.865 INCHES MINIMUM AND 1.885 INCHES MAXIMUM IN |
| Width Between Flats | 0.616 INCHES MINIMUM AND 0.627 INCHES MAXIMUM IN |
| Grip Diameter | 0.5610 INCHES MINIMUM AND 0.5615 INCHES MAXIMUM IN |
| Surface Treatment | PASSIVATE OVERALL |
| Minimum Tensile Strength | 220000 POUNDS PER SQUARE INCH LBS |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 18 |
| Material | STEEL CORROSION RESISTING OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Distance From Head Largest Bearing Surface to Shank Hole Center | 2.456 INCHES MINIMUM AND 2.496 INCHES MAXIMUM FIRST HOLE 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 |
|---|---|
| VS3060-9D30 | Howmet Global Fastening Systems Inc (USA) |
| ST3M571-9D30 | Fastener Innovation Technology, Inc. Dba F I T (USA) |
| BM3326-9D30 | Huck International, Inc (USA) |
| AIC752-9D30 | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| ST3M571-9D30 PRIMARY | The Boeing Company Div Defense (USA) |
| ST3M571-9D30 | Twist Tite Mfg, Inc Dba Twist Tite Manufacturing Inc (USA) |
| 74328-9D30 | Sps Technologies, Llc Dba PB Fasteners (USA) |
| S11-1059-9D30 | Sonic Industries, Inc. Dba Sonic Industries Inc Div Sonic Industries (USA) |
| MB84-9D30 | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAN) |
| MB84-9D30 | Hi-Shear Corporation (USA) |
| S371-9D30 | Huck International, Inc (USA) |
| ST3M571-9D30 | Sps Technologies Llc Dba PB Fasteners Div PB Fasteners (USA) |
| VAL23033-9D30 | Valley-Todeco, Inc. Dba Arconic Fastening Systems (USA) |
| GS1030-9D30 | B & B Specialties Inc Dba Gs Aerospace Div Gs Aerospace (USA) |
| Reference | Meaning |
|---|---|
| BM3326-9D30 | 5/9 Secondary reference U.S. Government activity |
| ST3M571-9D30 | 5/9 Secondary reference Pruitt Energy Sources Inc |
| VS3060-9D30 | 5/9 Secondary reference U.S. Government activity |
| S371-9D30 | 5/9 Secondary reference U.S. Government activity |
NSN 5306-00-288-2475 is a Bolt,shear, manufactured by The Boeing Company Div Defense, classified under FSC 5306, Bolts. Status: active.
NSN 5306-00-288-2475 has 14 manufacturer part numbers on file: VS3060-9D30 (Howmet Global Fastening Systems Inc), ST3M571-9D30 (Fastener Innovation Technology, Inc. Dba F I T), BM3326-9D30 (Huck International, Inc), AIC752-9D30 (Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company), ST3M571-9D30 (The Boeing Company Div Defense) and 9 more.
Key specifications for ST3M571-9D30: Extended Washer Thickness: 0.123 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN; Head Height: 0.547 INCHES MINIMUM AND 0.567 INCHES MAXIMUM IN; Fastener Length: 2.709 INCHES MINIMUM AND 2.739 INCHES MAXIMUM IN; Extended Washer Diameter: 0.928 INCHES MINIMUM AND 0.938 INCHES MAXIMUM IN. 19 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.