- Thread Class
- 3A
- Thread Direction
- Right-hand
- Fastener Length
- 1.709 inches minimum and 1.734 inches maximum
- Head Style
- Flush countersunk
- Shank Diameter
- 0.397 inches minimum and 0.421 inches maximum
- Shank Style
- Pin-rivet, tapered, threaded
- Head Major Diameter
- 0.561 inches minimum and 0.613 inches maximum
- TIP Diameter
- 0.368 inches minimum and 0.373 inches maximum
- Lubrication
- Cetyl alcohol
- Grip Length
- 1.303 inches minimum and 1.318 inches maximum
- Thread Quantity per Inch
- 24
- Nominal Thread Size
- 0.375 inches
- Countersink Angle
- 99.0 degrees minimum and 101.0 degrees maximum
- Material
- Iron alloy 660 overall
- Material Document and Classification
- Ams 5737 assn std single material response overall
- Surface Treatment
- Cadmium overall
- Surface Treatment Document and Classification
- QQ-P-416, type ii, class 2 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.