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Technical Data Sheet
FD71800 ✓ 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, port_style: INVERTED FLARE SINGLE PORT, bore_diameter: 1.125 INCHES NOMINAL IN, overall_width: 2.390 INCHES NOMINAL IN, overall_height: 1.780 INCHES NOMINAL IN, features_provided: RUBBER BOOT. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 2530-00-455-1152, 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
FD71800
NSN: 2530-00-455-1152
FSC: 2530
CAGE: 63477 — FEDERAL MOGUL CORP SUB WAGNER BRAKE MOOG AUTOMOTIVE DIV (USA)
SPECIFICATIONS
bore_typeSTRAIGHT
port_styleINVERTED FLARE SINGLE PORT
bore_diameter1.125 INCHES NOMINAL IN
overall_width2.390 INCHES NOMINAL IN
overall_height1.780 INCHES NOMINAL IN
features_providedRUBBER BOOT
mounting_positionLEFT
port_thread_class2B SINGLE PORT
mounting_provisionTHREADED MOUNTING HOLES
port_thread_diameter0.438 INCHES NOMINAL SINGLE PORT IN
body_outside_diameter1.440 INCHES NOMINAL IN
bleeding_feature_quantity1
NSN2530-00-455-1152
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available CYLINDER ASSEMBLY,HYDRAULIC BRAK TITLE COMPONENT PN FD71800 MFR CYLINDER ASSEMBLY,HYDR
KEY FEATURES
MOUNTING FACILITY THREAD LENGTH: 0.340 INCHES NOMINAL IN
PISTON ROD END SIMILARITY: IDENTICAL
BORE DIAMETER: 1.125 INCHES NOMINAL IN
MOUNTING FACILITY THREAD DIAMETER: 0.250 INCHES NOMINAL IN
MOUNTING FACILITY THREAD CLASS: 2B
MOUNTING FACILITY THREAD SERIES DESIGNATOR: UNIFIED NATIONAL COARSE (UNC)
MOUNTING PROVISION ARRANGEMENT STYLE: TWO HOLE
FEATURES PROVIDED: RUBBER BOOT
TECHNICAL CHARACTERISTICS (FLIS)
MOUNTING FACILITY THREAD LENGTH0.340 INCHES NOMINAL IN
PISTON ROD END SIMILARITYIDENTICAL
BORE DIAMETER1.125 INCHES NOMINAL IN
MOUNTING FACILITY THREAD DIAMETER0.250 INCHES NOMINAL IN
MOUNTING FACILITY THREAD CLASS2B
MOUNTING FACILITY THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC)
MOUNTING PROVISION ARRANGEMENT STYLETWO HOLE
FEATURES PROVIDEDRUBBER BOOT
MOUNTING FACILITY THREAD DIRECTIONRIGHT-HAND
OVERALL HEIGHT1.780 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 19
77-556AInterchangeable
interchangeable cross-reference
interchangeable
556AInterchangeable
interchangeable cross-reference
interchangeable
077-55600Interchangeable
interchangeable cross-reference
interchangeable
3789MILG3278AInterchangeable
interchangeable cross-reference
interchangeable
789ANG25Interchangeable
interchangeable cross-reference
interchangeable
3789Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is FD71800?
FD71800 is a CYLINDER ASSEMBLY,HYDRAULIC BRAK.
What parts can replace FD71800?
There are 19 known substitutes for FD71800: 77-556A, 556A, 077-55600 and 16 more. Substitute compatibility should be verified for your specific system.
What is the NSN for FD71800?
FD71800 is cataloged in the Federal Logistics Information System (FLIS) under NSN 2530-00-455-1152. This indicates validated use in U.S. government and defense supply chains.
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