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Technical Data Sheet
590H ✓ 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, port_style: INVERTED FLARE SINGLE PORT, bore_diameter: 1.500 INCHES NOMINAL IN, overall_width: 2.500 INCHES NOMINAL IN, overall_height: 3.400 INCHES NOMINAL IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 2530-00-524-9191, 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
590H
NSN: 2530-00-524-9191
FSC: 2530
CAGE: 72560 — GENERAL MOTORS CORP DELCO PRODUCTS DIV MACHINE CONTROL SYSTEMS (USA)
SPECIFICATIONS
materialSTEEL BODY
bore_typeSTRAIGHT
port_styleINVERTED FLARE SINGLE PORT
bore_diameter1.500 INCHES NOMINAL IN
overall_width2.500 INCHES NOMINAL IN
overall_height3.400 INCHES NOMINAL IN
extended_length5.000 INCHES NOMINAL IN
overall_diameter2.200 INCHES NOMINAL IN
compressed_length3.500 INCHES NOMINAL IN
port_thread_class2A SINGLE PORT A
seat_angle_in_deg45.0 SINGLE PORT
mounting_provisionTHREADED MOUNTING HOLES
NSN2530-00-524-9191
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available CYLINDER ASSEMBLY,HYDRAULIC BRAK TITLE COMPONENT PN 590H MFR CYLINDER ASSEMBLY,HYDR
KEY FEATURES
BORE TYPE: STRAIGHT
PISTON ROD END SIMILARITY: IDENTICAL
FIRST END FORK DEPTH: 3.900 INCHES NOMINAL ALL WORKING ENDS IN
MOUNTING FACILITY THREAD SERIES DESIGNATOR: NPT
PORT LOCATION AND QUANTITY: 1 CENTER SECTION
MOUNTING FACILITY NOMINAL PIPE THREAD SIZE: 0.250 INCHES IN
FIRST END FORK SPAN WIDTH: 2.850 INCHES NOMINAL ALL WORKING ENDS IN
PORT THREAD SERIES DESIGNATOR: UNF SINGLE PORT
TECHNICAL CHARACTERISTICS (FLIS)
BORE TYPESTRAIGHT
PISTON ROD END SIMILARITYIDENTICAL
FIRST END FORK DEPTH3.900 INCHES NOMINAL ALL WORKING ENDS IN
MOUNTING FACILITY THREAD SERIES DESIGNATORNPT
PORT LOCATION AND QUANTITY1 CENTER SECTION
MOUNTING FACILITY NOMINAL PIPE THREAD SIZE0.250 INCHES IN
FIRST END FORK SPAN WIDTH2.850 INCHES NOMINAL ALL WORKING ENDS IN
PORT THREAD SERIES DESIGNATORUNF SINGLE PORT
MOUNTING FACILITY THREAD DIRECTIONRIGHT-HAND
MATERIALSTEEL BODY
VERIFIED SUBSTITUTES & CROSS-REFERENCES 27
3331Interchangeable
interchangeable cross-reference
interchangeable
18197Interchangeable
interchangeable cross-reference
interchangeable
WF-18Interchangeable
interchangeable cross-reference
interchangeable
NAS816-75Interchangeable
interchangeable cross-reference
interchangeable
NDC12671-0024-07Interchangeable
interchangeable cross-reference
interchangeable
NDC00089-0413-25Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 590H?
590H is a CYLINDER ASSEMBLY,HYDRAULIC BRAK.
What parts can replace 590H?
There are 27 known substitutes for 590H: 3331, 18197, WF-18 and 24 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 590H?
590H is cataloged in the Federal Logistics Information System (FLIS) under NSN 2530-00-524-9191. This indicates validated use in U.S. government and defense supply chains.
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