- Thread Class
- 3A
- Thread Direction
- Right-hand
- Thread Length
- 0.694 inches nominal
- Fastener Length
- 1.491 inches minimum and 1.521 inches maximum
- Head Style
- Dished hexagon
- Head Height
- 0.184 inches minimum and 0.214 inches maximum
- Width Between Flats
- 0.678 inches minimum and 0.690 inches maximum
- Grip Diameter
- 0.437 inches minimum and 0.460 inches maximum
- Shank Unthreaded Hole Diameter
- 0.201 inches nominal first hole
- Nominal Thread Diameter
- 0.438 inches
- Grip Length
- 0.802 inches minimum and 0.812 inches maximum
- Thread Quantity per Inch
- 20
- Minimum Tensile Strength
- 160000 pounds per square inch
- Distance from Head Largest Bearing Surface to Shank Hole Center
- 1.305 inches nominal first hole
- Surface Finish
- 32.0 microinches fastener
- Surface Finish
- 32.0 microinches grip
- Surface Finish
- 32.0 microinches threads
- Part Name Assigned BY Controlling Agency
- Navy special project
- 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 overall
- Surface Treatment
- Cadmium and chromate overall
- Surface Treatment Document and Classification
- QQ-P-416A TY2 CL2 fed spec single treatment response overall
- Thread Series Designator
- UNJF
- Specification/Standard Data
- 80205-NAS6607 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.