Part Number
DEMIL
Shelf Life
UOM
NIIN
Part Information
Y4.194 in. Noninal from center of pin hole to extreme top of intake valve recess, 4.221 in. from centerof pin hole to extreme top of exhaust valve recess, 3.637 in. diameter combustion chamber recess on piston pin centerline
NSN
National Stock Number:
TXT
Description:
Internal Combustion Engine Piston
MRC:
The style designation indicating the configuration that most nearly corresponds to the appearance of the head.AASK
Head Style:
Cavity
MRC:
The distance measured in a straight line from the bottom to the top of an item.ABKW
Overall Height:
Between 6.464 inches and 6.474 inches
MRC:
The length of a straight line which passes through the center of a circular figure or body,and terminates at the circumference.ABMZ
Diameter:
Between 5.748 inches and 5.758 inches
MRC:
The length of a straight line which passes through the center of a pinhole,and terminates at the circumference.ACXU
Pinhole Diameter:
Between 2.0018 inches and 2.0020 inches
MRC:
An additional finishing process by which the surface of an item is altered in respect to polishing,grinding,and the like.AGYE
Surface Finish:
Finished
MRC:
The finished size by which the item is commercially known and designated.AXFR
Finished Size Designation:
Oversize
MRC:
The measured amount of the oversize.AXFS
Oversize:
0.010 inches
MRC:
Indicates the type of skirt included on the item.AXFT
Skirt Type:
Solid
MRC:
A measurement between specified points of a cut,in distinction from height.AXFW
Cut Depth:
0.380 inches
MRC:
An indication of whether or not a skirt bottom cutaway feature is included.AXFX
Skirt Bottom Cutaway Feature:
Included
MRC:
The number of ring grooves included on the item.AXFZ
Ring Groove Quantity:
4
MRC:
A number indicating the position(s) of the ring groove(s).AXGA
Ring Groove Position:
No. 1, no. 2, no. 2, no.4
MRC:
A measurement taken at right angles to the length of a ring groove,in distinction from thickness.AXGB
Ring Groove Width:
Between 0.0980 inches and 0.0990 inches
MRC:
A measurement taken at right angles to the length of a ring groove,in distinction from thickness.AXGB
Ring Groove Width:
Between 0.0995 inches and 0.1005 inches
MRC:
A measurement taken at right angles to the length of a ring groove,in distinction from thickness.AXGB
Ring Groove Width:
Between 0.1880 inches and 0.1890 inches
MRC:
A measurement taken at right angles to the length of a ring groove,in distinction from thickness.AXGB
Ring Groove Width:
0.0980 inches and 0.0990 inches 2nd ring
MRC:
A measurement taken at right angles to the length of a ring groove,in distinction from thickness.AXGB
Ring Groove Width:
0.0980 inches and 0.0990 inches 3rd ring
MRC:
A measurement taken at right angles to the length of a ring groove,in distinction from thickness.AXGB
Ring Groove Width:
0.0995 inches and 0.1005 inches 1st ring
MRC:
A measurement taken at right angles to the length of a ring groove,in distinction from thickness.AXGB
Ring Groove Width:
0.1880 inches and 0.1890 inches 4th ring
MRC:
The angle of a tapered groove.AXGC
Groove Taper Angle:
7 degree 25 minutes porm 10 minutes number 1
MRC:
The length of a straight line which passes through the center of a ring groove,and terminates at the circumference.AXGD
Ring Groove Diameter:
5.179 inches
MRC:
The length of a straight line which passes through the center of a ring groove,and terminates at the circumference.AXGD
Ring Groove Diameter:
5.189 inches
MRC:
The length of a straight line which passes through the center of a ring groove,and terminates at the circumference.AXGD
Ring Groove Diameter:
5.220 inches
MRC:
The length of a straight line which passes through the center of a ring groove,and terminates at the circumference.AXGD
Ring Groove Diameter:
5.221 inches
MRC:
The length of a straight line which passes through the center of a ring groove,and terminates at the circumference.AXGD
Ring Groove Diameter:
5.226 inches
MRC:
The length of a straight line which passes through the center of a ring groove,and terminates at the circumference.AXGD
Ring Groove Diameter:
5.230 inches
MRC:
The length of a straight line which passes through the center of a ring groove,and terminates at the circumference.AXGD
Ring Groove Diameter:
Unable to decode
MRC:
An indication of whether or not an oil groove/s/ is included.AXPH
Oil Groove:
Not included
MRC:
The distance from the center of the pin hole to the extreme top of the item.AXPK
Distance From Pin Hole Center To Extreme Top:
Between 4.344 inches and 4.354 inches
MRC:
An indication of whether or not a pin hole bushing/s/ is included.AXPL
Pin Hole Bushing:
Not included
MRC:
The distance between pin bosses on an item.AXPM
Distance Between Pin Bosses:
1.890 inches
MRC:
An indication of whether or not a retaining ring groove(s) is included.AXPN
Retaining Ring Groove:
Not included
MRC:
An indication of whether or not a pin is included.AXPP
Pin:
Not included
MRC:
Indicates the type of pin for which the item is designed.AXPQ
Pin Type For Which Designed:
Floating
MRC:
An indication of whether or not a ring(s) is included.AXPR
Ring:
Not included
MRC:
An indication of whether or not a carbon groove is included.BQBL
Carbon Groove:
Not included
MRC:
Those unusual or unique characteristics or qualities of an item not covered in the other requirements and which are determined to be essential for identification.FEAT
Special Features:
4.194 in. Noninal from center of pin hole to extreme top of intake valve recess, 4.221 in. from centerof pin hole to extreme top of exhaust valve recess, 3.637 in. diameter combustion chamber recess on piston pin centerline
MRC:
The element,compound,or mixture of which an item is fabricated,excluding any surface treatment.MATL
Material:
Aluminum alloy
MRC:
The chemical compound or mechanical mixture properties of which the item is fabricated.MATT
Material:
Aluminum alloy
MRC:
A relative measure of the mass of an item with respect to its density.WGHT
Weight:
134.4 ounces
