- Thread Class
- 3A
- Thread Direction
- Right-hand
- Thread Length
- 0.370 inches nominal
- Fastener Length
- 2.605 inches minimum and 2.635 inches maximum
- Head Style
- Hexagon
- Head Height
- 0.125 inches minimum and 0.140 inches maximum
- Width Between Flats
- 0.429 inches minimum and 0.439 inches maximum
- Hole Diameter
- 0.046 inches nominal
- Grip Diameter
- 0.249 inches minimum and 0.250 inches maximum
- Nominal Thread Diameter
- 0.250 inches
- Grip Length
- 2.240 inches minimum and 2.260 inches maximum
- Hole Quantity
- 3
- Hole Type
- Drilled
- Thread Quantity per Inch
- 28
- Minimum Tensile Strength
- 160000 pounds per square inch
- Hole Configuration Style
- Hexagon corners
- Part Name Assigned BY Controlling Agency
- Bolt, tension, hex head, close tolerance, A286 cres, short thread, reduced major thread dia, self-locking, 160 ksi ftu
- Color
- Green threads
- Material
- Iron alloy 660 overall
- Material Document and Classification
- Ams 5731 assn std single material response overall or ams 5732 assn std single material response overall or ams 5737 assn std single material response overall or ams 5853 assn std single material response overall
- Surface Treatment
- Cadmium overall
- Surface Treatment Document and Classification
- AMS-QQ-P-416 type ii, class 2 assn std single treatment response overall
- Thread Series Designator
- UNJF
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.