- Thread Class
- 3A
- Thread Direction
- Right-hand
- Thread Length
- 0.490 inches minimum and 0.557 inches maximum
- Fastener Length
- 2.500 inches minimum and 2.547 inches maximum
- Head Style
- Double hexagon
- Head Height
- 0.271 inches minimum and 0.291 inches maximum
- Width Between Flats
- 0.741 inches minimum and 0.752 inches maximum
- Grip Diameter
- 0.4982 inches minimum and 0.4991 inches maximum
- Nominal Thread Diameter
- 0.500 inches
- Grip Length
- 1.990 inches minimum and 2.010 inches maximum
- Thread Quantity per Inch
- 20
- Minimum Tensile Strength
- 220000 pounds per square inch
- Hardness Rating
- 46.0 rockwell C minimum overall and 50.0 rockwell C maximum overall
- Material
- Steel comp H11 overall or steel overall
- Material Document and Classification
- Ams 6485 assn std 1ST material response overall or ams 6487 assn std 1ST material response overall or SPS-M-107 fscm 56878 mfr ref 2ND material response overall
- Surface Treatment
- Cadmium overall
- Surface Treatment Document and Classification
- Nas 672 assn std single treatment response overall
- Thread Series Designator
- UNJF
- Specification/Standard Data
- 26512-GB511B manufacturers 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.