- Thread Class
- 3A
- Thread Direction
- Right-hand
- Thread Length
- 0.407 inches minimum and 0.469 inches maximum
- Fastener Length
- 0.469 inches minimum and 0.500 inches maximum
- Head Style
- PAN
- Head Diameter
- 0.289 inches minimum and 0.322 inches maximum
- Head Height
- 0.105 inches minimum and 0.115 inches maximum
- Locking Feature
- Pellet threads
- Internal Drive Style
- Cross recess type 1
- Nominal Thread Diameter
- 0.164 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 overall
- Surface Finish
- 32.0 microinches bearing surface of head
- Surface Finish
- 32.0 microinches grip
- Surface Finish
- 32.0 microinches threads
- Material
- Steel comp 4140 or steel comp 4340 or steel comp 8740 overall
- Material Document and Classification
- MIL-S-5626 mil spec 1ST material response or MIL-S-8844 mil spec 2ND material response or ams 6414 assn std 2ND material response or MIL-S-6049 mil spec 3RD material response overall
- Surface Treatment
- Cadmium and chromate overall
- Surface Treatment Document and Classification
- QQ-P-416, type 2, class 2 fed spec single treatment response overall
- Thread Series Designator
- UNJC
- Specification/Standard Data
- 80205-NAS1190 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.