- Thread Class
- 3A
- Thread Direction
- Right-hand
- Thread Length
- 0.444 inches minimum and 0.494 inches maximum
- Fastener Length
- 1.016 inches minimum and 1.046 inches maximum
- Head Style
- Flat countersunk
- Head Diameter
- 0.497 inches minimum and 0.507 inches maximum
- Grip Diameter
- 0.2490 inches minimum and 0.2495 inches maximum
- Internal Drive Style
- High-torque
- Nominal Thread Diameter
- 0.250 inches
- Grip Length
- 0.552 inches minimum and 0.572 inches maximum
- Thread Quantity per Inch
- 28
- Countersink Angle
- 99.0 degrees minimum and 101.0 degrees maximum
- Part Name Assigned BY Controlling Agency
- Navy special project
- Special Features
- Tapped hole in head 0.1380-32, UNJC-3B threads; distance from head top to injection port 0.200 in.; injection port 0.120 in. lg, 0.060 in. W
- Material
- Titanium alloy uns R56400 overall
- Material Document and Classification
- AMS4928 assn std single material response or AMS4967 assn std single material response 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.