87912R91 — CYLINDER ASSEMBLY,HYDRAULIC BRAK

✓ Government record, cited

— · COMPONENT

PRODUCT OVERVIEW

87912R91: CYLINDER ASSEMBLY,HYDRAULIC BRAK.

CYLINDER ASSEMBLY,HYDRAULIC BRAK. Key specifications include bore_type: STRAIGHT, port_style: GASKET SEAL SINGLE PORT, bore_diameter: 1.000 INCHES NOMINAL IN, extended_length: 3.062 INCHES NOMINAL IN, compressed_length: 3.062 INCHES NOMINAL IN, features_provided: RUBBER BOOT. This part is cataloged in the U.S.

Government catalog under NSN 2530-00-391-3989, 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

87912R91

NSN: 2530-00-391-3989
FSC: 2530 — Vehicular Brake, Steering, Axle, Wheel, and Track Components
CAGE: 92679 — NAVISTAR INTL CORP MELROSE PARK ENGINE PLANT LOCATION /MELROSE PARK/ (USA)

SPECIFICATIONS

bore_type	STRAIGHT
port_style	GASKET SEAL SINGLE PORT
bore_diameter	1.000 INCHES NOMINAL IN
extended_length	3.062 INCHES NOMINAL IN
compressed_length	3.062 INCHES NOMINAL IN
features_provided	RUBBER BOOT
mounting_position	LEFT
port_thread_class	2B SINGLE PORT
mounting_provision	THREADED MOUNTING HOLES
port_thread_diameter	0.438 INCHES NOMINAL SINGLE PORT IN
design_characteristics	SINGLE ACTING SINGLE CYLINDER
bleeding_feature_quantity	1
NSN	2530-00-391-3989

COMPONENT DIAGRAM

KEY FEATURES

•

CENTER TO CENTER DISTANCE BETWEEN MOUNTING PROVISIONS: 1.875 INCHES NOMINAL IN

•

MOUNTING FACILITY THREAD CLASS: 2B

•

BLEEDING FEATURE QUANTITY: 1

•

COMPRESSED LENGTH: 3.062 INCHES NOMINAL IN

•

EXTENDED LENGTH: 3.062 INCHES NOMINAL IN

•

DESIGN CHARACTERISTICS: SINGLE ACTING SINGLE CYLINDER

•

PORT THREAD SERIES DESIGNATOR: UNF SINGLE PORT

•

MOUNTING POSITION: LEFT

TECHNICAL CHARACTERISTICS

CENTER TO CENTER DISTANCE BETWEEN MOUNTING PROVISIONS	1.875 INCHES NOMINAL IN
MOUNTING FACILITY THREAD CLASS	2B
BLEEDING FEATURE QUANTITY	1
COMPRESSED LENGTH	3.062 INCHES NOMINAL IN
EXTENDED LENGTH	3.062 INCHES NOMINAL IN
DESIGN CHARACTERISTICS	SINGLE ACTING SINGLE CYLINDER
PORT THREAD SERIES DESIGNATOR	UNF SINGLE PORT
MOUNTING POSITION	LEFT
MOUNTING PROVISION ARRANGEMENT STYLE	TWO HOLE
MOUNTING FACILITY THREAD QUANTITY PER INCH	18

SUBSTITUTES & CROSS-REFERENCES 6

73120R91Reference document

Same NSN cross-reference

Reference document — Secondary reference

F9695Reference document

Same NSN cross-reference

Reference document — Secondary reference

WC9695Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

3132Reference document

Same NSN cross-reference

Reference document — Secondary reference

W9695Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

5461460Reference document

Same NSN cross-reference

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

LIFECYCLE

NSN statusActive· U.S. Government catalog

No demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is 87912R91?

87912R91 is a CYLINDER ASSEMBLY,HYDRAULIC BRAK.

What parts can replace 87912R91?

There are 6 known substitutes for 87912R91: 73120R91, F9695, WC9695 and 3 more. Substitute compatibility should be verified for your specific system.

What is the NSN for 87912R91?

87912R91 is cataloged in the U.S. Government catalog under NSN 2530-00-391-3989. This indicates validated use in U.S. government and defense supply chains.

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87912R91 — CYLINDER ASSEMBLY,HYDRAULIC BRAK

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