- Thread Class
- 3A
- Thread Direction
- Right-hand
- Thread Length
- 1.128 inches minimum and 1.250 inches maximum
- Fastener Length
- 1.190 inches minimum and 1.250 inches maximum
- Head Style
- Hexagon
- Head Height
- 0.105 inches minimum and 0.120 inches maximum
- Width Between Flats
- 0.305 inches minimum and 0.313 inches maximum
- Internal Drive Style
- Tri-wing recess
- Nominal Thread Diameter
- 0.190 inches
- Thread Quantity per Inch
- 32
- Minimum Tensile Strength
- 160000 pounds per square inch
- Hardness Rating
- 36.0 rockwell C minimum and 40.0 rockwell C maximum
- Screw Material
- Steel comp E4340 or steel comp 8740
- Screw Material Document and Classification
- MIL-S-5000 mil spec 1ST material response or MIL-S-6049 mil spec 2ND material response or AMS6322 assn std 2ND material response
- Screw Surface Treatment
- Cadmium and chromate
- Screw Surface Treatment Document and Classification
- QQ-P-416, type 2, class 2 fed spec single treatment response
- Thread Series Designator
- UNJF
- Specification/Standard Data
- 80205-NAS5903 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.