2R521 — CYLINDER ASSEMBLY,HYDRAULIC BRAK

✓ Government record, cited

— · COMPONENT

PRODUCT OVERVIEW

2R521: CYLINDER ASSEMBLY,HYDRAULIC BRAK.

CYLINDER ASSEMBLY,HYDRAULIC BRAK. Key specifications include material: IRON CAST BODY, reservoir_type: REMOTE, extended_length: 16.279 INCHES NOMINAL IN, actuation_method: DIRECT, mounting_provision: UNTHREADED MOUNTING HOLES, mounting_type_and_location: FLANGE PISTON ROD END. This part is cataloged in the U.S.

Government catalog under NSN 2530-00-929-5527, 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

2R521

NSN: 2530-00-929-5527
FSC: 2530 — Vehicular Brake, Steering, Axle, Wheel, and Track Components
CAGE: 11083 — CATERPILLAR INC DIV CATERPILLAR DEFENSE (USA)

SPECIFICATIONS

material	IRON CAST BODY
reservoir_type	REMOTE
extended_length	16.279 INCHES NOMINAL IN
actuation_method	DIRECT
mounting_provision	UNTHREADED MOUNTING HOLES
mounting_type_and_location	FLANGE PISTON ROD END
port_location_and_quantity	1 CYLINDER HEAD END
mounting_provision_arrangement_style	TWO HOLE
center_to_center_distance_between_mounting_provisions	7.500 INCHES NOMINAL IN
NSN	2530-00-929-5527

COMPONENT DIAGRAM

KEY FEATURES

•

ACTUATION METHOD: DIRECT

•

CENTER TO CENTER DISTANCE BETWEEN MOUNTING PROVISIONS: 7.500 INCHES NOMINAL IN

•

EXTENDED LENGTH: 16.279 INCHES NOMINAL IN

•

MOUNTING PROVISION ARRANGEMENT STYLE: TWO HOLE

•

PORT LOCATION AND QUANTITY: 1 CYLINDER HEAD END

•

MATERIAL: IRON CAST BODY

•

MOUNTING TYPE AND LOCATION: FLANGE PISTON ROD END

•

RESERVOIR TYPE: REMOTE

TECHNICAL CHARACTERISTICS

ACTUATION METHOD	DIRECT
CENTER TO CENTER DISTANCE BETWEEN MOUNTING PROVISIONS	7.500 INCHES NOMINAL IN
EXTENDED LENGTH	16.279 INCHES NOMINAL IN
MOUNTING PROVISION ARRANGEMENT STYLE	TWO HOLE
PORT LOCATION AND QUANTITY	1 CYLINDER HEAD END
MATERIAL	IRON CAST BODY
MOUNTING TYPE AND LOCATION	FLANGE PISTON ROD END
RESERVOIR TYPE	REMOTE
MOUNTING PROVISION	UNTHREADED MOUNTING HOLES

SUBSTITUTES & CROSS-REFERENCES 1

87-97-2Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

LIFECYCLE

NSN statusCancelled· U.S. Government catalog

No demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is 2R521?

2R521 is a CYLINDER ASSEMBLY,HYDRAULIC BRAK.

What parts can replace 2R521?

There is 1 known substitute for 2R521: 87-97-2. Substitute compatibility should be verified for your specific system.

What is the NSN for 2R521?

2R521 is cataloged in the U.S. Government catalog under NSN 2530-00-929-5527. This indicates validated use in U.S. government and defense supply chains.

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2R521 — CYLINDER ASSEMBLY,HYDRAULIC BRAK

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