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R11577 ✓ 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

The RING,PISTON is a the manufacturer industrial component. Key specifications include hose_connection_thread_diameter: 1.500 INCHES NOMINAL IN, hose_connection_thread_location: INTERNAL. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 2805-00-904-9115, 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
R11577
NSN: 2805-00-904-9115
FSC: 2805
CAGE: 76255 — MCQUAY-NORRIS INC OEM DIV AN SKF INDUSTRIES CO
SPECIFICATIONS
hose_connection_thread_diameter1.500 INCHES NOMINAL IN
hose_connection_thread_locationINTERNAL
NSN2805-00-904-9115
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available RING,PISTON TITLE COMPONENT PN R11577 MFR RING,PISTON
VERIFIED SUBSTITUTES & CROSS-REFERENCES 6
TU3593Interchangeable
interchangeable cross-reference
interchangeable
35259Interchangeable
interchangeable cross-reference
interchangeable
57DPInterchangeable
interchangeable cross-reference
interchangeable
MS15013Interchangeable
interchangeable cross-reference
interchangeable
C10Interchangeable
Same NIIN cross-reference
interchangeable
A11577Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is R11577?
R11577 is a RING,PISTON.
What parts can replace R11577?
There are 6 known substitutes for R11577: TU3593, 35259, 57DP and 3 more. Substitute compatibility should be verified for your specific system.
Is R11577 still available?
R11577 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