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Technical Data Sheet
R263R ✓ 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 ROTOR,PUMP is a the manufacturer industrial component. Key specifications include capacity: 4.0 TONS, carrying_handle: NOT INCLUDED, extended_height: 2.312 INCHES NOMINAL IN, overall_diameter: 1.625 INCHES NOMINAL IN, plunger_diameter: 1.000 INCHES NOMINAL IN, retracted_height: 1.688 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 4320-00-945-5287, 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
R263R
NSN: 4320-00-945-5287
FSC: 4320
CAGE: 63857 — CIRCOR NAVAL SOLUTIONS LLC DBA WARREN PUMPS (USA)
SPECIFICATIONS
capacity4.0 TONS
carrying_handleNOT INCLUDED
extended_height2.312 INCHES NOMINAL IN
overall_diameter1.625 INCHES NOMINAL IN
plunger_diameter1.000 INCHES NOMINAL IN
retracted_height1.688 INCHES NOMINAL IN
special_featuresW/SEMI-RIGID ADAPTER HOSE 2 FT LG FT
screw_thread_diameter0.375 INCHES NOMINAL IN
screw_thread_quantity_per_inch18.000
screw_thread_series_designatorNPT
NSN4320-00-945-5287
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available ROTOR,PUMP TITLE COMPONENT PN R263R MFR ROTOR,PUMP
VERIFIED SUBSTITUTES & CROSS-REFERENCES 4
RC-263Interchangeable
interchangeable cross-reference
interchangeable
CB-1001-08-02Interchangeable
interchangeable cross-reference
interchangeable
45440Interchangeable
interchangeable cross-reference
interchangeable
R263Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is R263R?
R263R is a ROTOR,PUMP.
What parts can replace R263R?
There are 4 known substitutes for R263R: RC-263, CB-1001-08-02, 45440 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for R263R?
R263R is cataloged in the Federal Logistics Information System (FLIS) under NSN 4320-00-945-5287. This indicates validated use in U.S. government and defense supply chains.
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