- Thread Class
- 3A
- Thread Direction
- Right-hand
- Thread Length
- 0.469 inches nominal
- Fastener Length
- 1.829 inches minimum and 1.859 inches maximum
- Head Style
- Hexagon
- Head Height
- 0.156 inches minimum and 0.171 inches maximum
- Width Between Flats
- 0.492 inches minimum and 0.502 inches maximum
- Hole Diameter
- 0.070 inches minimum and 0.080 inches maximum
- Grip Diameter
- 0.3110 inches minimum and 0.3120 inches maximum
- Nominal Thread Diameter
- 0.3125 inches
- Grip Length
- 1.365 inches minimum and 1.385 inches maximum
- Hole Quantity
- 3
- Hole Type
- Drilled
- Thread Quantity per Inch
- 24
- Minimum Tensile Strength
- 160000 pounds per square inch
- Hole Configuration Style
- Hexagon flats
- Surface Finish
- 125.0 microinches all holes
- Surface Finish
- 32.0 microinches bearing surface of head
- Surface Finish
- 32.0 microinches grip
- Surface Finish
- 32.0 microinches threads
- Part Name Assigned BY Controlling Agency
- Bolt, tension, hex head, close tolerance, A286 cres, long thread, reduced major thread dia., self-locking and nonlocking, 160 ksi ftu
- Material
- Iron alloy 660 fastener
- Material Document and Classification
- AMS5731, 5732, 5737 or AMS5853 national std/spec single material response fastener
- Surface Treatment
- Passivate fastener
- Surface Treatment Document and Classification
- AMS2700, method I, type 2 or 8, class 4 national std/spec single treatment response fastener
- Thread Series Designator
- UNJF
- Specification/Standard Data
- 80205-NAS6703 thru NAS6720 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.