- Thread Class
- 3A
- Thread Direction
- Right-hand
- Thread Length
- 1.250 inches nominal
- Fastener Length
- 1.460 inches minimum and 1.500 inches maximum
- Head Style
- Hexagon
- Head Height
- 0.368 inches minimum and 0.375 inches maximum
- Width Between Flats
- 0.550 inches minimum and 0.563 inches maximum
- Internal Drive Style
- Hexagon
- Nominal Thread Diameter
- 0.375 inches
- Width Across Flats
- 0.3125 inches minimum and 0.3160 inches maximum
- Thread Quantity per Inch
- 24
- Minimum Tensile Strength
- 80000 pounds per square inch
- Material
- Steel comp 302 overall or steel comp 303 overall or steel comp 304 overall or steel comp 305 overall or steel comp 316 overall
- Material Document and Classification
- 66 fed spec all material responses overall
- Surface Treatment
- Oxide film overall
- Surface Treatment Document and Classification
- MIL-C-13924 CL4 mil spec single treatment response overall
- 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.