- Thread Class
- 3A
- Thread Direction
- Right-hand
- Thread Length
- 0.641 inches nominal
- Fastener Length
- 1.259 inches minimum and 1.306 inches maximum
- Head Style
- Flat countersunk undercut
- Head Diameter
- 0.692 inches minimum and 0.763 inches maximum
- Head Height
- 0.1147 inches minimum and 0.1167 inches maximum
- Grip Diameter
- 0.3735 inches minimum and 0.3745 inches maximum
- Single Shear Strength
- 125000 pounds per square inch
- Internal Drive Style
- High-torque
- Nominal Thread Diameter
- 0.375 inches
- Grip Length
- 0.624 inches minimum and 0.644 inches maximum
- Features Provided
- Cetyl alcohol lubricant
- Thread Quantity per Inch
- 24
- Countersink Angle
- 99.0 degrees minimum and 101.0 degrees maximum
- Surface Finish
- 32.0 microinches bearing surface of HEAD32.0 microinches GRIP32.0 microinches threads
- Material
- Steel comp XM-13 fastener
- Material Document and Classification
- Ams 5629 assn std single material response fastener
- Surface Treatment
- Aluminum fastener and chromate fastener
- Surface Treatment Document and Classification
- MIL-C-83488 ty 2 cl 3 mil spec single treatment response fastener
- 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.