NATO Stock Number
2805-00-033-5013
Sold in multiples of
DEMIL
NO
Head Style
Flat
Overall Height
Between 4.684 inches and 4.689 inches
Diameter
4.312 inches
Oil Passage Type
Slot and hole
Pinhole Diameter
Between 1.2499 inches and 1.2500 inches
Surface Finish
Finished
Finished Size Designation
Standard
Skirt Type
Semisplit
Skirt Bottom Cutaway Feature
Not included
Ring Groove Quantity
5
Ring Groove Position
Number 1, number 2, number 3, number 4, and number 5
Ring Groove Width
0.1255 inches and 0.1265 inches
Ring Groove Width
0.1265 inches and 0.1275 inches 1st ring
Ring Groove Width
0.1875 inches and 0.1885 inches
Ring Groove Width
0.2500 inches and 0.2510 inches
Ring Groove Width
0.1255 inches and 0.1265 inches 2nd ring
Ring Groove Width
0.1875 inches and 0.1885 inches 4th ring
Ring Groove Width
0.2500 inches and 0.2510 inches 3rd ring
Ring Groove Diameter
3.876 inches and 3.886 inches
Ring Groove Diameter
Between 3.876 inches and 3.886 inches 3rd ring
Ring Groove Diameter
3.916 inches and 3.926 inches 2nd ring
Ring Groove Diameter
Between 3.916 inches and 3.926 inches 1st ring
Ring Groove Diameter
3.876 inches and 3.886 inches 3rd ring
Ring Groove Diameter
3.876 inches and 3.886 inches 4th ring
Ring Groove Diameter
3.916 inches and 3.926 inches 1st ring
Ring Groove Position Below Piston Pin
Number 5 ring groove located below piston pin hole
Ring Groove Position Below Piston Pin
Number 1, number 2, number 3, number 4, and number 5 all rings
Oil Groove
Not included
Distance From Pin Hole Center To Extreme Top
Between 2.622 inches and 2.627 inches
Pin Hole Bushing
Not included
Distance Between Pin Bosses
1.812 inches
Retaining Ring Groove
Included
Pin
Not included
Pin Type For Which Designed
Floating
Ring
Not included
Carbon Groove
Included
Material
Aluminum
Material
Aluminum
Surface Treatment
Tin
Surface Treatment
Tin plated
Weight
40.0 ounces
