NATO Stock Number
4310-00-608-8521
Sold in multiples of
DEMIL
NO
Head Style
Flat
Overall Height
Between 2.703 inches and 2.750 inches
Diameter
Between 3.450 inches and 3.500 inches
Oil Passage Type
Slot
Pinhole Diameter
Between 0.6248 inches and 0.6250 inches
Surface Finish
Finished
Finished Size Designation
Standard
Skirt Type
Solid
Skirt Bottom Cutaway Feature
Not included
Ring Groove Quantity
1 and 1 and 2
Ring Groove Position
No.1 no. 2, no. 3 and no. 4 positions
Ring Groove Width
Between 0.1875 inches and 0.1885 inches and 0.1875 inches and 0.1885 inches and 0.1255 inches and 0.1265 inches
Ring Groove Diameter
Between 3.100 inches and 3.110 inches and 3.100 inches and 3.110 inches and 3.140 inches and 3.150 inches
Ring Groove Position Below Piston Pin
No.4 ring groove
Oil Groove
Not included
Distance From Pin Hole Center To Extreme Top
Between 1.4340 inches and 1.4410 inches
Pin Hole Bushing
Not included
Distance Between Pin Bosses
1.500 inches
Retaining Ring Groove
Included
Pin
Included
Pin Type For Which Designed
Locked
Ring
Not included
Integral Connecting Rod
Not included
Material
Aluminum alloy or aluminum
Material
Aluminum alloy or aluminum
Surface Treatment
Tin
Surface Treatment
Tin plated
Fsc Application Data
Air compressor, stationary
