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304320 — PISTON,INTERNAL COMBUSTION ENGIN

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

304320: PISTON,INTERNAL COMBUSTION ENGIN.

PISTON,INTERNAL COMBUSTION ENGIN. Key specifications include diameter: 2.875 INCHES NOMINAL IN, material: ALUMINUM, head_style: CROWN, oil_groove: NOT INCLUDED, skirt_type: SOLID, carbon_groove: NOT INCLUDED. This part is cataloged in the U.S.

Government catalog under NSN 2805-00-572-5801, 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
304320
NSN: 2805-00-572-5801
NIINs: 005725801, 008073693, 011323947, 014639631
FSC: 2805 — Gasoline Reciprocating Engines, Except Aircraft; and Components
CAGE: 32195 — OUTBOARD MARINE CORP JOHNSON MOTORS DIV (USA)
SPECIFICATIONS
diameter2.875 INCHES NOMINAL IN
materialALUMINUM
head_styleCROWN
oil_grooveNOT INCLUDED
skirt_typeSOLID
carbon_grooveNOT INCLUDED
overall_height3.687 INCHES NOMINAL IN
surface_finishFINISHED
pin_hole_bushingNOT INCLUDED
pinhole_diameter0.6250 INCHES NOMINAL IN
ring_groove_width0.0980 INCHES NOMINAL FIRST RING IN
fsc_application_dataTEST SET,COUNTERMEASURES SYSTEM,EA-6A ACFT A
NSN2805-00-572-5801
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available PISTON,INTERNAL COMBUSTION ENGIN TITLE COMPONENT PN 304320 MFR PISTON,INTERNAL COMBUS
KEY FEATURES
•
CARBON GROOVE: NOT INCLUDED
•
RING GROOVE WIDTH: 0.0980 INCHES NOMINAL FIRST RING IN
•
DISTANCE BETWEEN PIN BOSSES: 1.313 INCHES NOMINAL IN
•
RETAINING RING GROOVE: INCLUDED
•
SURFACE FINISH: FINISHED
•
DIAMETER: 2.875 INCHES NOMINAL IN
•
DISTANCE FROM PIN HOLE CENTER TO EXTREME TOP: 2.625 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT3.687 INCHES NOMINAL IN
CARBON GROOVENOT INCLUDED
RING GROOVE WIDTH0.0980 INCHES NOMINAL FIRST RING IN
DISTANCE BETWEEN PIN BOSSES1.313 INCHES NOMINAL IN
RETAINING RING GROOVEINCLUDED
SURFACE FINISHFINISHED
DIAMETER2.875 INCHES NOMINAL IN
DISTANCE FROM PIN HOLE CENTER TO EXTREME TOP2.625 INCHES NOMINAL IN
PINNOT INCLUDED
PIN TYPE FOR WHICH DESIGNEDFLOATING
SUBSTITUTES & CROSS-REFERENCES 1
377027Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 304320?
304320 is a PISTON,INTERNAL COMBUSTION ENGIN.
What parts can replace 304320?
There is 1 known substitute for 304320: 377027. Substitute compatibility should be verified for your specific system.
What is the NSN for 304320?
304320 is cataloged in the U.S. Government catalog under NSN 2805-00-572-5801. This indicates validated use in U.S. government and defense supply chains.
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