- Thread Class
- 3A
- Thread Length
- 0.453125 inches minimum and 0.500000 inches maximum
- Fastener Length
- 5.015625 inches minimum and 5.062500 inches maximum
- Grip Diameter
- 0.246 inches minimum and 0.249 inches maximum
- End Item Identification
- Helicopter spare parts
- Nominal Thread Diameter
- 0.250 inches
- Grip Length
- 0.428 inches minimum and 0.440 inches maximum
- Thread Quantity per Inch
- 28
- Minimum Tensile Strength
- 1310 pounds per square inch
- Part Name Assigned BY Controlling Agency
- Bolt machine, aircraft
- Special Features
- Rated strength in lbs ultimate tesile at root dia 2030, single shear at full dia 1715
- Material
- Aluminum alloy overall or steel overall or steel corrosion resisting overall
- Thread Series Designator
- UNF
Catalogue data is compiled from public DLA/FLIS sources and is provided for
identification. Availability, condition and certification are confirmed on
quotation. OmniSynk Distribution Services is a stocking distributor.