- Thread Class
- 3A
- Thread Direction
- Right-hand
- Thread Length
- 1.688 inches minimum and 1.750 inches maximum
- Fastener Length
- 1.688 inches minimum and 1.750 inches maximum
- Head Style
- Flat countersunk
- Head Diameter
- 0.162 inches minimum and 0.176 inches maximum
- Locking Feature
- Patch or pellet or strip
- Internal Drive Style
- Cross recess type 1
- Nominal Thread Diameter
- 0.086 inches
- Thread Quantity per Inch
- 56
- Countersink Angle
- 99.0 degrees minimum and 101.0 degrees maximum
- Part Name Assigned BY Controlling Agency
- Navy special project
- Screw Material
- Steel
- Screw Material Document and Classification
- NAS498 assn std single material response
- Screw Surface Treatment
- Cadmium and chromate
- Screw Surface Treatment Document and Classification
- QQ-P-416 TY2 CL2 fed spec single treatment response
- Thread Series Designator
- UNJC
- Specification/Standard Data
- 80205-NAS1189 professional/industrial association standard
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.