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Technical Data Sheet
PartsTable / COMPONENT / VR-23
VR-23 ✓ 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 FOLLOWER,PISTON,PUMP is a the manufacturer industrial component. Key specifications include end_item_identification: WARREN PUMP CO 11X8X18 VERTICAL SINGLE EMERGENCY FEED PUMP, general_characteristics_item_description: GUN METAL CAST. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4320-01-198-0871, 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
VR-23
NSN: 4320-01-198-0871
FSC: 4320
CAGE: 63857 — CIRCOR NAVAL SOLUTIONS LLC DBA WARREN PUMPS (USA)
SPECIFICATIONS
end_item_identificationWARREN PUMP CO 11X8X18 VERTICAL SINGLE EMERGENCY FEED PUMP
general_characteristics_item_descriptionGUN METAL CAST
NSN4320-01-198-0871
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available FOLLOWER,PISTON,PUMP TITLE COMPONENT PN VR-23 MFR FOLLOWER,PISTON,PUMP
KEY FEATURES
•
GENERAL CHARACTERISTICS ITEM DESCRIPTION: GUN METAL CAST
TECHNICAL CHARACTERISTICS (FLIS)
GENERAL CHARACTERISTICS ITEM DESCRIPTIONGUN METAL CAST
END ITEM IDENTIFICATIONWARREN PUMP CO 11X8X18 VERTICAL SINGLE EMERGENCY FEED PUMP
VERIFIED SUBSTITUTES & CROSS-REFERENCES 21
BS5-1786Interchangeable
interchangeable cross-reference
interchangeable
BS5-1786 PIECE 152Interchangeable
interchangeable cross-reference
interchangeable
UC-9Interchangeable
interchangeable cross-reference
interchangeable
0343Interchangeable
interchangeable cross-reference
interchangeable
P343Interchangeable
interchangeable cross-reference
interchangeable
W672Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is VR-23?
VR-23 is a FOLLOWER,PISTON,PUMP.
What parts can replace VR-23?
There are 21 known substitutes for VR-23: BS5-1786, BS5-1786 PIECE 152, UC-9 and 18 more. Substitute compatibility should be verified for your specific system.
What is the NSN for VR-23?
VR-23 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4320-01-198-0871. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026