65997 — RING,PISTON

✓ Government record, cited

— · COMPONENT

PRODUCT OVERVIEW

65997: RING,PISTON.

The RING,PISTON is a the manufacturer industrial component. Key specifications include material: IRON OVERALL, ring_style: CONCENTRIC, joint_style: VERTICAL JOINT, overall_width: 0.1860 INCHES MINIMUM AND 0.1865 INCHES MAXIMUM IN, pin_hole_style: HALF ROUND PINHOLE AT JOINT, pin_hole_slot_length: 0.125 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 2815-00-273-0597, 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

65997

NSN: 2815-00-273-0597
FSC: 2815 — Diesel Engines and Components
CAGE: 15434 — CUMMINS INC. (USA)

SPECIFICATIONS

material	IRON OVERALL
ring_style	CONCENTRIC
joint_style	VERTICAL JOINT
overall_width	0.1860 INCHES MINIMUM AND 0.1865 INCHES MAXIMUM IN
pin_hole_style	HALF ROUND PINHOLE AT JOINT
pin_hole_slot_length	0.125 INCHES NOMINAL IN
radial_wall_thickness	0.1650 INCHES MINIMUM AND 0.1750 INCHES MAXIMUM IN
standard_bore_diameter	4.000 INCHES IN
ring_width_pin_hole_depth	0.106 INCHES MINIMUM AND 0.108 INCHES MAXIMUM IN
cross-sectional_shape_style	BEVELED FACE, DOUBLE SCRAPER, VENTILATED OIL CONTROL
oil_passage_type_and_quantity	1 GROOVE AND 6 SLOT OUTSIDE PERIPHERY
NSN	2815-00-273-0597

COMPONENT DIAGRAM

KEY FEATURES

•

RING WIDTH PIN HOLE DEPTH: 0.106 INCHES MINIMUM AND 0.108 INCHES MAXIMUM IN

•

CROSS-SECTIONAL SHAPE STYLE: BEVELED FACE, DOUBLE SCRAPER, VENTILATED OIL CONTROL

•

JOINT STYLE: VERTICAL JOINT

•

OIL PASSAGE TYPE AND QUANTITY: 1 GROOVE AND 6 SLOT OUTSIDE PERIPHERY

•

RADIAL WALL THICKNESS: 0.1650 INCHES MINIMUM AND 0.1750 INCHES MAXIMUM IN

•

RING STYLE: CONCENTRIC

•

STANDARD BORE DIAMETER: 4.000 INCHES IN

TECHNICAL CHARACTERISTICS

RING WIDTH PIN HOLE DEPTH	0.106 INCHES MINIMUM AND 0.108 INCHES MAXIMUM IN
OVERALL WIDTH	0.1860 INCHES MINIMUM AND 0.1865 INCHES MAXIMUM IN
CROSS-SECTIONAL SHAPE STYLE	BEVELED FACE, DOUBLE SCRAPER, VENTILATED OIL CONTROL
JOINT STYLE	VERTICAL JOINT
OIL PASSAGE TYPE AND QUANTITY	1 GROOVE AND 6 SLOT OUTSIDE PERIPHERY
RADIAL WALL THICKNESS	0.1650 INCHES MINIMUM AND 0.1750 INCHES MAXIMUM IN
RING STYLE	CONCENTRIC
STANDARD BORE DIAMETER	4.000 INCHES IN
PIN HOLE STYLE	HALF ROUND PINHOLE AT JOINT
PIN HOLE SLOT LENGTH	0.125 INCHES NOMINAL IN

OTHER ITEMS IN FSC 2815 — Diesel Engines and Components

Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.

2815-00-000-0075 2815-00-001-0022 2815-00-001-3475 2815-00-001-7728 2815-00-001-7737 2815-00-001-7805 2815-00-001-7806 2815-00-001-7813

SUBSTITUTES & CROSS-REFERENCES 1

A65997Reference document

Same NSN cross-reference

Reference document — Secondary reference

LIFECYCLE

NSN statusActive· U.S. Government catalog

Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is 65997?

65997 is a RING,PISTON.

What parts can replace 65997?

There is 1 known substitute for 65997: A65997. Substitute compatibility should be verified for your specific system.

What is the NSN for 65997?

65997 is cataloged in the U.S. Government catalog under NSN 2815-00-273-0597. This indicates validated use in U.S. government and defense supply chains.

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65997 — RING,PISTON

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