NATO Stock Number
2810-00-605-9017
Sold in multiples of
DEMIL
NO
Head Style
Concave
Overall Height
4.696 inches
Diameter
6.100 inches
Oil Passage Type
Slot
Pinhole Diameter
Between 1.4987 inches and 1.4995 inches
Surface Finish
Finished
Finished Size Designation
Standard
Skirt Type
Solid
Skirt Bottom Cutaway Feature
Not included
Ring Groove Quantity
5
Ring Groove Width
0.1005 inches 5th ring
Ring Groove Width
0.1015 inches 6th ring
Ring Groove Width
0.1166 inches 1st ring
Ring Groove Width
0.1180 inches 2nd ring
Ring Groove Width
0.1055 inches 3rd ring
Ring Groove Width
0.1065 inches 4th ring
Groove Taper Angle
7 degrees 30 min porm 7 min
Ring Groove Diameter
5.550 inches 2nd ring
Ring Groove Diameter
5.537 inches 1st ring
Ring Groove Position Below Piston Pin
No. 5 ring groove located below piston pin bosses
Ring Groove Position Below Piston Pin
No.1 no.2; no.3 no.4; no.5 all rings
Oil Groove
Not included
Distance From Pin Hole Center To Extreme Top
Between 2.7705 inches and 2.7775 inches
Pin Hole Bushing
Not included
Distance Between Pin Bosses
Between 2.030 inches and 2.040 inches
Retaining Ring Groove
Not included
Pin
Not included
Pin Type For Which Designed
Floating
Ring
Not included
Carbon Groove
Not included
Material
Aluminum
Weight
86.4 ounces
Fsc Application Data
Engine, aircraft, reciprocating
