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272903 — PISTON,INTERNAL COMBUSTION ENGIN

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

272903: PISTON,INTERNAL COMBUSTION ENGIN.

PISTON,INTERNAL COMBUSTION ENGIN. Key specifications include weight: 77.9 OUNCES OZ, diameter: 5.717 INCHES MINIMUM AND 5.719 INCHES MAXIMUM IN, material: ALUMINUM ALLOY, head_style: FLAT, oil_groove: INCLUDED, skirt_type: SOLID. This part is cataloged in the U.S.

Government catalog under NSN 2810-00-508-7015, indicating validated use in U.S. government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels.

Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
272903
NSN: 2810-00-508-7015
NIINs: 005087015, 009201043
FSC: 2810 — Gasoline Reciprocating Engines, Aircraft Prime Mover; and Components
CAGE: 00198 — PRATT & WHITNEY CANADA CORP DIV PRATT & WHITNEY CANADA CORP. (CAN)
SPECIFICATIONS
weight77.9 OUNCES OZ
diameter5.717 INCHES MINIMUM AND 5.719 INCHES MAXIMUM IN
materialALUMINUM ALLOY
head_styleFLAT
oil_grooveINCLUDED
skirt_typeSOLID
carbon_grooveNOT INCLUDED
overall_height4.268 INCHES NOMINAL IN
surface_finishSEMIFINISHED
pin_hole_bushingNOT INCLUDED
pinhole_diameter1.3727 INCHES MINIMUM AND 1.3733 INCHES MAXIMUM IN
ring_groove_width0.0985 INCHES MINIMUM AND 0.0995 INCHES MAXIMUM SECOND RING IN
NSN2810-00-508-7015
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available PISTON,INTERNAL COMBUSTION ENGIN TITLE COMPONENT PN 272903 MFR PISTON,INTERNAL COMBUS
KEY FEATURES
•
FSC APPLICATION DATA: ENGINE,AIRCRAFT,RECIPROCATING
•
CARBON GROOVE: NOT INCLUDED
•
RING GROOVE WIDTH: 10.1300 INCHES NOMINAL AND 0.0990 INCHES NOMINAL AND 0.0970 INCHES NOMINAL AND 0.2220 INCHES NOMINAL AND 0.1290 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
•
DISTANCE BETWEEN PIN BOSSES: 2.550 INCHES NOMINAL IN
•
RETAINING RING GROOVE: NOT INCLUDED
•
SURFACE FINISH: FINISHED
•
RING GROOVE POSITION AND QUANTITY: NUMBER 1,NUMBER 2,NUMBER 3,NUMBER 4,AND NUMBER 5 PISTON ALL RINGS
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT4.320 INCHES NOMINAL IN
FSC APPLICATION DATAENGINE,AIRCRAFT,RECIPROCATING
CARBON GROOVENOT INCLUDED
RING GROOVE WIDTH10.1300 INCHES NOMINAL AND 0.0990 INCHES NOMINAL AND 0.0970 INCHES NOMINAL AND 0.2220 INCHES NOMINAL AND 0.1290 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
DISTANCE BETWEEN PIN BOSSES2.550 INCHES NOMINAL IN
RETAINING RING GROOVENOT INCLUDED
SURFACE FINISHFINISHED
RING GROOVE POSITION AND QUANTITYNUMBER 1,NUMBER 2,NUMBER 3,NUMBER 4,AND NUMBER 5 PISTON ALL RINGS
OIL PASSAGE TYPEHOLE AND SLOT LOCATION NOT OTHERWISE SPECIFIED
DIAMETER5.722 INCHES NOMINAL IN
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 272903?
272903 is a PISTON,INTERNAL COMBUSTION ENGIN.
What is the NSN for 272903?
272903 is cataloged in the U.S. Government catalog under NSN 2810-00-508-7015. This indicates validated use in U.S. government and defense supply chains.
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