The Bolt,shear, cataloged under National Stock Number 5306-00-062-4254, 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 17 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-00-062-4254 |
| Primary Part Number | 3M33-4-2 |
| Item Name | Bolt,shear |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | The Boeing Company Div Defense |
| Status | ACTIVE |
| Head Height | 0.156 INCHES NOMINAL IN |
| Fastener Length | 0.594 INCHES NOMINAL IN |
| Thread Length | 0.469 INCHES MINIMUM IN |
| Shank Unthreaded Hole Diameter | 0.076 INCHES NOMINAL FIRST HOLE IN |
| Material Document and Classification | AMS 5732 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.250 INCHES IN |
| Head Style | HEXAGON |
| Thread Direction | RIGHT-HAND |
| Grip Length | 0.125 INCHES NOMINAL IN |
| Width Between Flats | 0.428 INCHES MINIMUM AND 0.440 INCHES MAXIMUM IN |
| Grip Diameter | 0.2487 INCHES MINIMUM AND 0.2492 INCHES MAXIMUM IN |
| Minimum Tensile Strength | 160000 POUNDS PER SQUARE INCH LBS |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 28 |
| Material | IRON ALLOY 660 OVERALL |
| Thread Series Designator | UNF |
| Distance From Head Largest Bearing Surface to Shank Hole Center | 0.437 INCHES NOMINAL 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 |
|---|---|
| 3M33-4-2 | Howmet Global Fastening Systems Inc (USA) |
| 3M33-4-2 PRIMARY | The Boeing Company Div Defense (USA) |
| 3M33-4-2 | Sps Technologies Llc Dba PB Fasteners Div PB Fasteners (USA) |
| 3M33-4-2 | Huck International, Inc (USA) |
| 3M33-4-2 | Valley-Todeco, Inc. Dba Arconic Fastening Systems (USA) |
| 3M33-4-2 | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| Reference | Meaning |
|---|---|
| 3M33-4-2 | 5/2 Secondary reference U.S. Government activity |
NSN 5306-00-062-4254 is a Bolt,shear, manufactured by The Boeing Company Div Defense, classified under FSC 5306, Bolts. Status: active.
NSN 5306-00-062-4254 has 6 manufacturer part numbers on file: 3M33-4-2 (Howmet Global Fastening Systems Inc), 3M33-4-2 (The Boeing Company Div Defense), 3M33-4-2 (Sps Technologies Llc Dba PB Fasteners Div PB Fasteners), 3M33-4-2 (Huck International, Inc), 3M33-4-2 (Valley-Todeco, Inc. Dba Arconic Fastening Systems) and 1 more.
Key specifications for 3M33-4-2: Head Height: 0.156 INCHES NOMINAL IN; Fastener Length: 0.594 INCHES NOMINAL IN; Thread Length: 0.469 INCHES MINIMUM IN; Shank Unthreaded Hole Diameter: 0.076 INCHES NOMINAL FIRST HOLE 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.