- Thread Class
- 3A
- Thread Direction
- Right-hand
- Thread Length
- 0.552 inches minimum and 0.602 inches maximum
- Fastener Length
- 1.812 inches minimum and 1.842 inches maximum
- Head Style
- Flat countersunk
- Head Diameter
- 0.704 inches minimum and 0.762 inches maximum
- Grip Diameter
- 0.3735 inches minimum and 0.3745 inches maximum
- Internal Drive Style
- Offset cruciform (torque set)
- Nominal Thread Diameter
- 0.375 inches
- Grip Length
- 1.240 inches minimum and 1.260 inches maximum
- Thread Quantity per Inch
- 24
- Minimum Tensile Strength
- 180000 pounds per square inch
- Hardness Rating
- 36.0 rockwell C minimum and 40.0 rockwell C maximum overall
- Countersink Angle
- 99.0 degrees minimum and 101.0 degrees maximum
- Surface Finish
- 32.0 microinches grip
- Surface Finish
- 32.0 microinches threads
- Material
- Steel comp 4140 or steel comp E4340 or steel comp 6150 or steel comp 8735 or steel comp 8740 overall
- Material Document and Classification
- MIL-S-5626 mil spec 1ST material response or MIL-S-5000 mil spec 2ND material response or MIL-S-8503 mil spec 3RD material response or MIL-S-6098 mil spec 4TH material response or MIL-S-6049 mil spec 5TH material response overall
- Surface Treatment
- Cadmium overall
- Surface Treatment Document and Classification
- Nas 672 assn std single treatment response overall
- Thread Series Designator
- UNF
- Specification/Standard Data
- 80205-NAS2806 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.