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Technical Data Sheet
260551C91 ✓ Verified by PartsTable
· COMPONENT
WHAT YOU NEED TO KNOW
Verify manufacturer and server generation compatibility Check if Option PN or Spare PN — same part, different channel
Confirm exact part number — similar PNs may be different parts
PRODUCT OVERVIEW

CYLINDER ASSEMBLY,HYDRAULIC BRAK. Key specifications include bore_type: STRAIGHT, bore_diameter: 1.875 INCHES NOMINAL IN, extended_length: 4.180 INCHES NOMINAL IN, compressed_length: 4.180 INCHES NOMINAL IN, features_provided: RUBBER BOOT, port_thread_class: 2B LOCATION NOT OTHERWISE SPECIFIED. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 2530-00-586-7622, 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
260551C91
NSN: 2530-00-586-7622
FSC: 2530
CAGE: 29510 — KOMATSU AMERICAN INTL CO (USA)
SPECIFICATIONS
bore_typeSTRAIGHT
bore_diameter1.875 INCHES NOMINAL IN
extended_length4.180 INCHES NOMINAL IN
compressed_length4.180 INCHES NOMINAL IN
features_providedRUBBER BOOT
port_thread_class2B LOCATION NOT OTHERWISE SPECIFIED
mounting_provisionTHREADED MOUNTING HOLES
port_thread_diameter0.438 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
design_characteristicsDOUBLE ACTING SINGLE CYLINDER
bleeding_feature_quantity1
mounting_type_and_locationFLANGE CENTER SECTION
port_location_and_quantity1 CENTER SECTION
NSN2530-00-586-7622
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available CYLINDER ASSEMBLY,HYDRAULIC BRAK TITLE COMPONENT PN 260551C91 MFR CYLINDER ASSEMBLY,HYDR
KEY FEATURES
PORT THREAD DIAMETER: 0.438 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
PORT THREAD QUANTITY PER INCH: 24 LOCATION NOT OTHERWISE SPECIFIED
BLEEDING FEATURE QUANTITY: 1
PORT THREAD SERIES DESIGNATOR: UNS LOCATION NOT OTHERWISE SPECIFIED
PORT THREAD CLASS: 2B LOCATION NOT OTHERWISE SPECIFIED
EXTENDED LENGTH: 4.180 INCHES NOMINAL IN
MOUNTING FACILITY THREAD DIRECTION: RIGHT-HAND
MOUNTING FACILITY THREAD SERIES DESIGNATOR: UNIFIED NATIONAL COARSE (UNC)
TECHNICAL CHARACTERISTICS (FLIS)
PORT THREAD DIAMETER0.438 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
PORT THREAD QUANTITY PER INCH24 LOCATION NOT OTHERWISE SPECIFIED
BLEEDING FEATURE QUANTITY1
PORT THREAD SERIES DESIGNATORUNS LOCATION NOT OTHERWISE SPECIFIED
PORT THREAD CLASS2B LOCATION NOT OTHERWISE SPECIFIED
EXTENDED LENGTH4.180 INCHES NOMINAL IN
MOUNTING FACILITY THREAD DIRECTIONRIGHT-HAND
MOUNTING FACILITY THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC)
PORT LOCATION AND QUANTITY1 CENTER SECTION
BORE DIAMETER1.875 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 21
G306SFQ5A7Interchangeable
interchangeable cross-reference
interchangeable
6306ZNBRJInterchangeable
interchangeable cross-reference
interchangeable
7306GSInterchangeable
interchangeable cross-reference
interchangeable
6005AInterchangeable
interchangeable cross-reference
interchangeable
37222 7-8INCHSTUDInterchangeable
interchangeable cross-reference
interchangeable
37222Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 260551C91?
260551C91 is a CYLINDER ASSEMBLY,HYDRAULIC BRAK.
What parts can replace 260551C91?
There are 21 known substitutes for 260551C91: G306SFQ5A7, 6306ZNBRJ, 7306GS and 18 more. Substitute compatibility should be verified for your specific system.
Is 260551C91 still available?
260551C91 is currently cancelled.
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