NATO Stock Number
2805-00-691-9640
Sold in multiples of
1 EA
DEMIL
NO
Head Style
Flat
Overall Height
Between 5.935 inches and 5.940 inches
Diameter
4.875 inches
Oil Passage Type
Hole and slot
Pinhole Diameter
Between 1.4998 inches and 1.5000 inches
Surface Finish
Finished
Finished Size Designation
Standard
Skirt Type
Solid
Skirt Bottom Cutaway Feature
Not included
Ring Groove Quantity
5
Ring Groove Position
Number 1, number 2, number 2, number 4 and number 5
Ring Groove Width
Between 0.0955 inches and 0.0965 inches
Ring Groove Width
Between 0.0965 inches and 0.0975 inches
Ring Groove Width
Between 0.1880 inches and 0.1890 inches
Ring Groove Width
Between 0.2505 inches and 0.2515 inches
Ring Groove Width
0.0955 inches and 0.0965 inches 1st ring
Ring Groove Width
0.0965 inches and 0.0975 inches 2nd ring
Ring Groove Width
0.1880 inches and 0.1890 inches 3rd ring
Ring Groove Width
0.2505 inches and 0.2515 inches 4th ring
Ring Groove Diameter
Between 4.328 inches and 4.338 inches
Ring Groove Diameter
Between 4.395 inches and 4.405 inches
Ring Groove Diameter
4.395 inches and 4.405 inches 2nd ring
Ring Groove Diameter
4.328 inches and 4.338 inches 1st ring
Ring Groove Position Below Piston Pin
Number 5 located below piston pin bosses
Ring Groove Position Below Piston Pin
Number 1, number 2, number 2, number 4 and number 5 all rings
Oil Groove
Not included
Distance From Pin Hole Center To Extreme Top
Between 3.620 inches and 3.630 inches
Pin Hole Bushing
Not included
Distance Between Pin Bosses
Between 1.990 inches and 2.010 inches
Retaining Ring Groove
Included
Pin
Not included
Pin Type For Which Designed
Floating
Ring
Not included
Carbon Groove
Not included
Skirt Slot Style
Groove convex slot
Material
Aluminum
Material
Aluminum
Surface Treatment
Tin
Surface Treatment
Tin plated
Weight
Any acceptable
Fsc Application Data
Engine gasoline, non-aircraft
