- Thread Class
- 3A
- Thread Direction
- Right-hand
- Thread Length
- 0.636 inches minimum and 0.646 inches maximum
- Fastener Length
- 1.079 inches minimum and 1.109 inches maximum
- Head Style
- Flat countersunk undercut
- Head Diameter
- 0.7556 inches minimum and 0.7604 inches maximum
- Head Height
- 0.1147 inches minimum and 0.1167 inches maximum
- Grip Diameter
- 0.373 inches minimum and 0.374 inches maximum
- Internal Drive Style
- High-torque
- Nominal Thread Diameter
- 0.375 inches
- Grip Length
- 0.678 inches minimum and 0.698 inches maximum
- Thread Quantity per Inch
- 24
- Countersink Angle
- 99.0 degrees minimum and 101.0 degrees maximum
- Surface Finish
- 32.0 microinches grip
- Surface Finish
- 32.0 microinches threads
- Part Name Assigned BY Controlling Agency
- Screw, close tolerance-assembly, 100 degree c'sunk sealing head, hi-torque, cres (125 ksi fsu), ivd aluminum coated
- Material
- Steel corrosion resisting overall
- Material Document and Classification
- Ams 5629 assn std single material response overall
- Surface Treatment
- Aluminum overall
- Surface Treatment Document and Classification
- MIL-C-83488, type 2, class 3 mil spec single treatment response overall
- 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.