NATO Stock Number
2810-00-478-9897
Sold in multiples of
DEMIL
NO
Head Style
Concave
Overall Height
4.086 inches
Diameter
6.100 inches
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 Position
No.1 and no.2 and no.3, no.4
Ring Groove Width
Between 0.1166 inches and 0.1180 inches
Ring Groove Width
Between 0.1180 inches and 0.1200 inches
Ring Groove Width
Between 0.1005 inches and 0.1015 inches
Ring Groove Width
Between 0.1055 inches and 0.1065 inches
Ring Groove Width
0.1055 inches and 0.1065 inches 3rd ring
Ring Groove Width
0.1005 inches and 0.1015 inches 4th ring
Ring Groove Width
0.1166 inches and 0.1180 inches 1st ring
Ring Groove Width
0.1180 inches and 0.1200 inches 2nd ring
Groove Taper Angle
15 degrees porm 25 minutes
Ring Groove Diameter
5.537 inches
Ring Groove Diameter
5.550 inches
Ring Groove Position Below Piston Pin
No. 5 ring groove located below piston pin bosses
Ring Groove Position Below Piston Pin
No.1 and no.2 and no.3, no.4 all rings
Oil Groove
Not included
Distance From Pin Hole Center To Extreme Top
Between 2.3721 inches and 2.3791 inches
Pin Hole Bushing
Not included
Distance Between Pin Bosses
Between 1.970 inches and 1.980 inches
Retaining Ring Groove
Not included
Pin
Not included
Pin Type For Which Designed
Floating
Ring
Not included
Carbon Groove
Not included
Material
Aluminum
Material
Aluminum
Weight
77.5 ounces
Fsc Application Data
Aircraft eng r1300
