- Thread Class
- 3A
- Thread Direction
- Right-hand
- Thread Length
- 0.381 inches minimum and 0.447 inches maximum
- Fastener Length
- 0.578 inches minimum and 0.624 inches maximum
- Head Style
- Hexagon
- Head Height
- 0.109 inches minimum and 0.141 inches maximum
- Width Between Flats
- 0.365 inches minimum and 0.377 inches maximum
- Locking Feature
- Patch threads or pellet threads or strip threads
- Nominal Thread Diameter
- 0.190 inches
- Grip Length
- 0.177 inches minimum and 0.197 inches maximum
- Features Provided
- Finished head
- Thread Quantity per Inch
- 32
- Minimum Tensile Strength
- 125000 pounds per square inch
- Hardness Rating
- 26.0 rockwell C minimum overall and 32.0 rockwell C maximum overall
- Material
- Plastic polyamide locking feature
- Material
- Steel comp 4140 fastener or steel comp 8740 fastener or steel comp 8630 fastener or steel comp 8735 fastener or steel comp 4130 fastener or steel comp 4037 fastener
- Material
- Steel overall
- Material Document and Classification
- MIL-F-18240 mil spec single material response locking feature
- Surface Treatment
- Cadmium fastener and chromate fastener
- Surface Treatment Document and Classification
- QQ-P-416 ty 2 cl 2 fed spec single treatment response fastener
- Thread Series Designator
- UNF
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.