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PartsTable / COMPONENT / F55890
F55890 ✓ 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 material: STEEL BODY, bore_type: STRAIGHT, tank_width: 4.500 INCHES NOMINAL SINGLE TANK UPPER IN, tank_height: 4.844 INCHES NOMINAL SINGLE TANK UPPER IN, bore_diameter: 1.062 INCHES NOMINAL IN, overall_width: 2.625 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 2930-00-053-0553, 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
F55890
NSN: 2930-00-053-0553
FSC: 2930
CAGE: 59690 — KOEHRING CO LORAIN DIV (USA)
SPECIFICATIONS
materialSTEEL BODY
bore_typeSTRAIGHT
tank_width4.500 INCHES NOMINAL SINGLE TANK UPPER IN
tank_height4.844 INCHES NOMINAL SINGLE TANK UPPER IN
bore_diameter1.062 INCHES NOMINAL IN
overall_width2.625 INCHES NOMINAL IN
tank_locationUPPER SINGLE TANK UPPER
tank_quantity1 SINGLE TANK UPPER
overall_height1.625 INCHES NOMINAL IN
body_outside_diameter1.500 INCHES NOMINAL IN
design_characteristicsSINGLE ACTING SINGLE CYLINDER
bleeding_feature_quantity1
NSN2930-00-053-0553
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available CYLINDER ASSEMBLY,HYDRAULIC BRAK TITLE COMPONENT PN F55890 MFR CYLINDER ASSEMBLY,HYDR
KEY FEATURES
•
TANK WIDTH: 4.500 INCHES NOMINAL SINGLE TANK UPPER IN
•
TANK QUANTITY: 1 SINGLE TANK UPPER
•
TANK LOCATION: UPPER SINGLE TANK UPPER
•
TANK HEIGHT: 4.844 INCHES NOMINAL SINGLE TANK UPPER IN
TECHNICAL CHARACTERISTICS (FLIS)
OVERALL WIDTH3.906 INCHES NOMINAL IN
TANK WIDTH4.500 INCHES NOMINAL SINGLE TANK UPPER IN
TANK QUANTITY1 SINGLE TANK UPPER
TANK LOCATIONUPPER SINGLE TANK UPPER
OVERALL HEIGHT31.812 INCHES NOMINAL IN
TANK HEIGHT4.844 INCHES NOMINAL SINGLE TANK UPPER IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 6
WC55890Interchangeable
interchangeable cross-reference
interchangeable
3484Interchangeable
interchangeable cross-reference
interchangeable
172-254Interchangeable
interchangeable cross-reference
interchangeable
R7623Interchangeable
interchangeable cross-reference
interchangeable
F12862Interchangeable
Same NIIN cross-reference
interchangeable
F79964XInterchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is F55890?
F55890 is a CYLINDER ASSEMBLY,HYDRAULIC BRAK.
What parts can replace F55890?
There are 6 known substitutes for F55890: WC55890, 3484, 172-254 and 3 more. Substitute compatibility should be verified for your specific system.
Is F55890 still available?
F55890 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026