- First End Style
- Square
- Second End Style
- Square internally threaded
- Thread Class
- 3A
- Thread Direction
- Right-hand
- First Step Length
- 0.187 inches nominal
- Second Step Diameter
- 0.6145 inches minimum and 0.6155 inches maximum
- Second Step Length
- 1.880 inches minimum and 1.890 inches maximum
- Third Step Diameter
- 0.4360 inches minimum and 0.4370 inches maximum
- Third Step Length
- 0.593 inches nominal
- Hole Arrangement Style
- One end drilled
- First Hole Diameter
- 0.104 inches minimum and 0.111 inches maximum
- Distance from Centerline of Hole to End of PIN
- 0.180 inches nominal
- Second End Relationship With First End
- Not identical
- Nominal Thread Size
- 0.4375 inches
- First End Location
- Shoulder end
- Special Features
- Lubrication fitting MS15001-4 is attached by mounting in 0.250-28UNF-2B class fit by 0.125 inches nominal depth drilled threaded hole on large shoulder end; on longitudinal center line drilled 0.062 inches min 0.065 inches max diameter through one wall only; G41-20 thread relief undercut on first shank 0.359 inches min 0.369 inches max diameter
- Material
- Steel comp E4340 overall
- Material Document and Classification
- MIL-S-5000 mil spec single material response overall
- Style Designator
- Shoulder
- 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.