NATO Stock Number
2805-00-354-0789
Sold in multiples of
DEMIL
DEMIL/MLI
Overall Height
3.222 inches
Diameter
3.188 inches
Oil Passage Type
Slot and hole
Pinhole Diameter
Between 0.7500 inches and 0.7510 inches
Surface Finish
Finished
Finished Size Designation
Standard
Skirt Type
Semisplit
Skirt Bottom Cutaway Feature
Not included
Ring Groove Quantity
4
Ring Groove Position
No. 1, no. 2, no. 3, and no. 4
Ring Groove Width
Between 0.0940 inches and 0.0950 inches
Ring Groove Width
Between 0.1570 inches and 0.1580 inches
Ring Groove Width
0.0940 inches and 0.0950 inches 1st ring
Ring Groove Width
0.0940 inches and 0.0950 inches 2nd ring
Ring Groove Width
0.1570 inches and 0.1580 inches 3rd ring
Ring Groove Width
0.1570 inches and 0.1580 inches 4th ring
Ring Groove Diameter
Between 2.830 inches and 2.840 inches
Ring Groove Diameter
2.830 inches and 2.840 inches 1st ring
Ring Groove Diameter
2.830 inches and 2.840 inches 2nd ring
Ring Groove Diameter
2.830 inches and 2.840 inches 3rd ring
Ring Groove Diameter
2.830 inches and 2.840 inches 4th ring
Ring Groove Position Below Piston Pin
No. 4 ring groove located below piston pin holes
Ring Groove Position Below Piston Pin
No. 1, no. 2, no. 3, and no. 4 all rings
Oil Groove
Not included
Distance From Pin Hole Center To Extreme Top
Between 1.780 inches and 1.785 inches
Pin Hole Bushing
Not included
Distance Between Pin Bosses
Between 1.430 inches and 1.460 inches
Retaining Ring Groove
Included
Pin
Included
Pin Type For Which Designed
Floating
Ring
Not included
Carbon Groove
Not included
Material
Aluminum
Material
Aluminum
Surface Treatment
Tin
Surface Treatment
Tin plated
Fsc Application Data
Engine, gaso
