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Worldwide distributor of NSN parts and consumables located in the USA.

Internal Combustion Engine Piston

Model / MPN: P21047A1 | NSN: 2815-00-528-5707
ITAR Registered seal
Product Details
NATO Stock Number
2815-00-528-5707
Sold in multiples of
1 EA
DEMIL
NO
Head Style
Flat
Overall Height
8.000 inches
Diameter
5.500 inches
Oil Passage Type
Hole
Pinhole Diameter
2.1250 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 3
Ring Groove Width
Between 0.1300 inches and 0.1305 inches
Ring Groove Width
Between 0.1280 inches and 0.1285 inches
Ring Groove Width
Between 0.2520 inches and 0.2525 inches
Ring Groove Width
0.1280 inches and 0.1285 inches 2ND ring
Ring Groove Width
0.1300 inches and 0.1305 inches 1ST ring
Ring Groove Width
0.2520 inches and 0.2525 inches 3RD ring
Ring Groove Width
0.2520 inches and 0.2525 inches 4TH ring
Ring Groove Width
0.2520 inches and 0.2525 inches 5TH ring
Ring Groove Diameter
Between 4.017 inches and 5.027 inches
Ring Groove Diameter
Between 4.977 inches and 4.987 inches
Ring Groove Diameter
Between 5.017 inches and 5.027 inches
Ring Groove Diameter
4.977 inches and 4.987 inches 3RD ring
Ring Groove Diameter
4.977 inches and 4.987 inches 4TH ring
Ring Groove Diameter
4.977 inches and 4.987 inches 5TH ring
Ring Groove Diameter
5.017 inches and 5.027 inches 2ND ring
Ring Groove Diameter
4.017 inches and 5.027 inches 1ST ring
Ring Groove Position Below Piston Pin
NO.5 ring groove located below piston pin bosses
Ring Groove Position Below Piston Pin
Number 1, number 2, number 3 all rings
Oil Groove
Not included
Distance From Pin Hole Center To Extreme Top
Between 3.998 inches and 4.002 inches
Pin Hole Bushing
Not included
Distance Between Pin Bosses
2.375 inches
Retaining Ring Groove
Included
Pin
Not included
Pin Type For Which Designed
Floating
Ring
Not included
Carbon Groove
Not included
Material
Aluminum alloy
Material
Aluminum alloy
Surface Treatment
Anodize
Surface Treatment
Anodized
Weight
106.0 ounces

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P21047A1 Cross Reference
  • P21047A1
  • P21047A1
  • P21047A2
  • 911B