- Thread Class
- 3B
- Collar Outside Diameter
- 0.465 inches minimum and 0.475 inches maximum
- Collar Overall Height
- 0.570 inches nominal
- Collar Inside Diameter
- 0.331 inches minimum and 0.337 inches maximum
- End Item Identification
- Boeing B757 aircraft
- Thread Quantity per Inch
- 28
- Nominal Thread Size
- 0.250 inches
- Collar Style
- Threaded (break off) type
- Part Name Assigned BY Controlling Agency
- Collar assembly, self aligning
- Special Features
- Wrench end torque off at 75.0 to 90.0 inch pounds
- Material
- Aluminum alloy 2024 body
- Material
- Steel comp 630 washer or steel comp 631 washer or steel comp 632 washer
- Surface Treatment
- Anodize body
- Surface Treatment
- Passivate washer
- Thread Series Designator
- UNJF
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.