82878 — PISTON,INTERNAL COMBUSTION ENGIN

✓ Government record, cited

— · COMPONENT

PRODUCT OVERVIEW

82878: PISTON,INTERNAL COMBUSTION ENGIN.

PISTON,INTERNAL COMBUSTION ENGIN. Key specifications include cushion: NOT INCLUDED, material: ALUMINUM ALLOY LOCATION NOT OTHERWISE SPECIFIED, mounting_pad: NOT INCLUDED, overall_width: 0.625 INCHES NOMINAL IN, overall_length: 2.375 INCHES NOMINAL IN, style_designator: CURVED ARCH. This part is cataloged in the U.S.

Government catalog under NSN 2815-00-175-9475, 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

82878

NSN: 2815-00-175-9475
NIINs: 001759475, 009770111
FSC: 2815 — Diesel Engines and Components
CAGE: 13446 — PERKINS ENGINES INC (USA)

SPECIFICATIONS

cushion	NOT INCLUDED
material	ALUMINUM ALLOY LOCATION NOT OTHERWISE SPECIFIED
mounting_pad	NOT INCLUDED
overall_width	0.625 INCHES NOMINAL IN
overall_length	2.375 INCHES NOMINAL IN
style_designator	CURVED ARCH
material_thickness	0.062 INCHES NOMINAL IN
mounting_hole_size	0.191 INCHES NOMINAL IN
inside_diameter/arch_length	0.812 INCHES NOMINAL IN
distance_between_mounting_hole_centers	1.750 INCHES NOMINAL IN
distance_between_base_and_inside_of_arch	0.406 INCHES NOMINAL IN
NSN	2815-00-175-9475

COMPONENT DIAGRAM

KEY FEATURES

•

CARBON GROOVE: NOT INCLUDED

•

RING GROOVE WIDTH: 0.0857 INCHES MINIMUM AND 0.0967 INCHES MAXIMUM FIRST RING IN

•

DISTANCE BETWEEN PIN BOSSES: 39.9 MILLIMETERS NOMINAL MM

•

RETAINING RING GROOVE: 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 HEIGHT	4.760 INCHES NOMINAL IN
CARBON GROOVE	NOT INCLUDED
RING GROOVE WIDTH	0.0857 INCHES MINIMUM AND 0.0967 INCHES MAXIMUM FIRST RING IN
RING GROOVE WIDTH	0.2525 INCHES MINIMUM AND 0.2535 INCHES MAXIMUM SECOND RING IN
DISTANCE BETWEEN PIN BOSSES	39.9 MILLIMETERS NOMINAL MM
RETAINING RING GROOVE	INCLUDED
SURFACE FINISH	FINISHED
RING GROOVE POSITION AND QUANTITY	NUMBER 1,NUMBER 2,NUMBER 3,NUMBER 4,AND NUMBER 5 PISTON ALL RINGS
OIL PASSAGE TYPE	HOLE LOCATION NOT OTHERWISE SPECIFIED
DIAMETER	3.875 INCHES NOMINAL IN

SUBSTITUTES & CROSS-REFERENCES 5

676877Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

33266115Reference document

Same NSN cross-reference

Reference document — Drawing number reference only

320-82878Reference document

Same NSN cross-reference

Reference document — Secondary reference

168896Reference document

Same NSN cross-reference

Reference document — Advisory reference — outside the item-of-supply concept

000116-8100Reference 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 82878?

82878 is a PISTON,INTERNAL COMBUSTION ENGIN.

What parts can replace 82878?

There are 5 known substitutes for 82878: 676877, 33266115, 320-82878 and 2 more. Substitute compatibility should be verified for your specific system.

What is the NSN for 82878?

82878 is cataloged in the U.S. Government catalog under NSN 2815-00-175-9475. This indicates validated use in U.S. government and defense supply chains.

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82878 — PISTON,INTERNAL COMBUSTION ENGIN

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