- Thread Class
- 3A
- Thread Direction
- Right-hand
- Fastener Length
- 1.224 inches minimum and 1.249 inches maximum
- Head Style
- Crown coutersunk greater than 135 degrees
- Shank Diameter
- 0.3690 inches nominal
- Shank Style
- Pin-rivet, tapered, threaded
- Head Major Diameter
- 0.681 inches maximum
- TIP Diameter
- 0.3571 inches nominal
- Lubrication
- Dry film and cetyl alcohol
- Grip Length
- 0.740 inches minimum and 0.755 inches maximum
- Thread Quantity per Inch
- 24
- Nominal Thread Size
- 0.375 inches
- Shear Strength
- 95000 single pounds per square inch
- Countersink Angle
- 100.0 degrees nominal
- Material
- Iron alloy 660 overall
- Material Document and Classification
- Ams 5737 assn std single material response overall
- Surface Treatment
- Passivate overall
- Surface Treatment Document and Classification
- QQ-P-35 fed 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.