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Technical Data Sheet
870530R91 ✓ 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: IRON CAST BODY, bore_type: STRAIGHT, port_style: GASKET SEAL SINGLE PORT, bore_diameter: 1.000 INCHES NOMINAL IN, overall_width: 3.250 INCHES NOMINAL IN, overall_height: 1.500 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 2530-00-876-9629, 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
870530R91
NSN: 2530-00-876-9629
FSC: 2530
CAGE: 92679 — NAVISTAR INTL CORP MELROSE PARK ENGINE PLANT LOCATION /MELROSE PARK/ (USA)
SPECIFICATIONS
materialIRON CAST BODY
bore_typeSTRAIGHT
port_styleGASKET SEAL SINGLE PORT
bore_diameter1.000 INCHES NOMINAL IN
overall_width3.250 INCHES NOMINAL IN
overall_height1.500 INCHES NOMINAL IN
features_providedBLEEDER VALVES AND RUBBER BOOT
mounting_positionLEFT AND RIGHT
port_thread_class2B SINGLE PORT
mounting_provisionTHREADED MOUNTING HOLES
port_thread_diameter0.375 INCHES NOMINAL SINGLE PORT IN
body_outside_diameter1.325 INCHES NOMINAL IN
NSN2530-00-876-9629
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available CYLINDER ASSEMBLY,HYDRAULIC BRAK TITLE COMPONENT PN 870530R91 MFR CYLINDER ASSEMBLY,HYDR
KEY FEATURES
PORT THREAD QUANTITY PER INCH: 24 SINGLE PORT
PORT THREAD DIAMETER: 0.375 INCHES NOMINAL SINGLE PORT IN
PORT THREAD CLASS: 2B SINGLE PORT
BLEEDING FEATURE QUANTITY: 1
PORT STYLE: GASKET SEAL SINGLE PORT
PORT THREAD SERIES DESIGNATOR: UNF SINGLE PORT
MATERIAL: IRON CAST BODY
TECHNICAL CHARACTERISTICS (FLIS)
PORT THREAD QUANTITY PER INCH24 SINGLE PORT
PORT THREAD DIAMETER0.375 INCHES NOMINAL SINGLE PORT IN
PORT THREAD CLASS2B SINGLE PORT
BLEEDING FEATURE QUANTITY1
PORT STYLEGASKET SEAL SINGLE PORT
PORT THREAD SERIES DESIGNATORUNF SINGLE PORT
MATERIALIRON CAST BODY
OVERALL HEIGHT1.500 INCHES NOMINAL IN
MOUNTING FACILITY THREAD LENGTH0.375 INCHES NOMINAL IN
MOUNTING PROVISION ARRANGEMENT STYLETWO HOLE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 10
121890Interchangeable
interchangeable cross-reference
interchangeable
MS35293-6Interchangeable
interchangeable cross-reference
interchangeable
52167Interchangeable
interchangeable cross-reference
interchangeable
412365Interchangeable
interchangeable cross-reference
interchangeable
T8S25-50Interchangeable
interchangeable cross-reference
interchangeable
FD22902Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 870530R91?
870530R91 is a CYLINDER ASSEMBLY,HYDRAULIC BRAK.
What parts can replace 870530R91?
There are 10 known substitutes for 870530R91: 121890, MS35293-6, 52167 and 7 more. Substitute compatibility should be verified for your specific system.
Is 870530R91 still available?
870530R91 is currently cancelled.
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