9N581 — RING,PISTON

✓ Government record, cited

— · COMPONENT

PRODUCT OVERVIEW

9N581: RING,PISTON.

The RING,PISTON is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, ring_style: CONCENTRIC, joint_style: VERTICAL JOINT, overall_width: 0.1240 INCHES NOMINAL IN, radial_wall_thickness: 0.1850 INCHES NOMINAL IN, standard_bore_diameter: 4.510 INCHES IN. This part is cataloged in the U.S.

Government catalog under NSN 2815-01-024-2694, 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

9N581

NSN: 2815-01-024-2694
FSC: 2815 — Diesel Engines and Components
CAGE: 11083 — CATERPILLAR INC DIV CATERPILLAR DEFENSE (USA)

SPECIFICATIONS

material	STEEL OVERALL
ring_style	CONCENTRIC
joint_style	VERTICAL JOINT
overall_width	0.1240 INCHES NOMINAL IN
radial_wall_thickness	0.1850 INCHES NOMINAL IN
standard_bore_diameter	4.510 INCHES IN
cross-sectional_shape_style	INSIDE BEVEL, UPPER, STRAIGHT FACE
NSN	2815-01-024-2694

COMPONENT DIAGRAM

KEY FEATURES

•

CROSS-SECTIONAL SHAPE STYLE: INSIDE BEVEL, UPPER, STRAIGHT FACE

•

JOINT STYLE: VERTICAL JOINT

•

RADIAL WALL THICKNESS: 0.1850 INCHES NOMINAL IN

•

RING STYLE: CONCENTRIC

•

STANDARD BORE DIAMETER: 4.510 INCHES IN

•

MATERIAL: STEEL OVERALL

TECHNICAL CHARACTERISTICS

OVERALL WIDTH	0.1240 INCHES NOMINAL IN
CROSS-SECTIONAL SHAPE STYLE	INSIDE BEVEL, UPPER, STRAIGHT FACE
JOINT STYLE	VERTICAL JOINT
RADIAL WALL THICKNESS	0.1850 INCHES NOMINAL IN
RING STYLE	CONCENTRIC
STANDARD BORE DIAMETER	4.510 INCHES IN
MATERIAL	STEEL OVERALL

OTHER ITEMS IN FSC 2815 — Diesel Engines and Components

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

2815-00-011-9099 2815-00-017-1875 2815-00-024-4185 2815-00-033-1482 2815-00-036-5350 2815-00-179-7630 2815-00-346-4639 2815-00-592-5308

SUBSTITUTES & CROSS-REFERENCES 1

IPD9N0581Reference 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 9N581?

9N581 is a RING,PISTON.

What parts can replace 9N581?

There is 1 known substitute for 9N581: IPD9N0581. Substitute compatibility should be verified for your specific system.

What is the NSN for 9N581?

9N581 is cataloged in the U.S. Government catalog under NSN 2815-01-024-2694. This indicates validated use in U.S. government and defense supply chains.

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