Part Number
DEMIL
Shelf Life
UOM
NIIN
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:
Flat
MRC:
The distance measured in a straight line from the bottom to the top of an item.ABKW
Overall Height:
2.250 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:
2.750 inches
MRC:
Indicates the type of oil passage included on the item.ACXM
Oil Passage Type:
Hole
MRC:
The length of a straight line which passes through the center of a pinhole,and terminates at the circumference.ACXU
Pinhole Diameter:
Between 0.7495 inches and 0.7500 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:
0.020 inches
MRC:
Indicates the type of skirt included on the item.AXFT
Skirt Type:
Solid
MRC:
An indication of whether or not a skirt bottom cutaway feature is included.AXFX
Skirt Bottom Cutaway Feature:
Not 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:
Number 1, number 2, number 3, and number 4
MRC:
A measurement taken at right angles to the length of a ring groove,in distinction from thickness.AXGB
Ring Groove Width:
0.0970 inches and 0.0950 inches and 0.1260 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:
2.438 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:
2.454 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:
2.478 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:
2.438 inches 3rd ring
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:
2.454 inches 1st ring
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:
2.478 inches 2nd ring
MRC:
The below piston pin ring groove position on the item.AXGE
Ring Groove Position Below Piston Pin:
Number 4 ring groove located below piston pin holes
MRC:
The below piston pin ring groove position on the item.AXGE
Ring Groove Position Below Piston Pin:
Number 1, number 2, number 3, and number 4 all rings
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 1.249 inches and 1.251 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:
1.125 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:
The element,compound,or mixture of which an item is fabricated,excluding any surface treatment.MATL
Material:
Aluminum
MRC:
The chemical compound or mechanical mixture properties of which the item is fabricated.MATT
Material:
Aluminum
MRC:
A relative measure of the mass of an item with respect to its density.WGHT
Weight:
Any acceptable
MRC:
The justification for the assignment of a federal supply class /fsc/ to an item based on the classification of the next higher classifiable assembly.ZZZV
Fsc Application Data:
Engine, gasoline, reciprocating, nonaircraft
