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BS5-1786 PIECE 22 — Technical Data Sheet

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— · 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 STEAM PUMP CO 11X8X18 VERTICAL SINGLE EMERGENCY FEED PUMP, general_characteristics_item_description: CAST GRAY IRON. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System under NSN 4320-01-197-2041, 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
BS5-1786 PIECE 22
NSN: 4320-01-197-2041
FSC: 4320
CAGE: 63857 — CIRCOR NAVAL SOLUTIONS LLC DBA WARREN PUMPS (USA)
SPECIFICATIONS
end_item_identificationWARREN STEAM PUMP CO 11X8X18 VERTICAL SINGLE EMERGENCY FEED PUMP
general_characteristics_item_descriptionCAST GRAY IRON
NSN4320-01-197-2041
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available FOLLOWER,PISTON,PUMP TITLE COMPONENT PN BS5-1786 PIECE 22 MFR FOLLOWER,PISTON,PUMP
KEY FEATURES
•
GENERAL CHARACTERISTICS ITEM DESCRIPTION: CAST GRAY IRON
TECHNICAL CHARACTERISTICS
END ITEM IDENTIFICATIONWARREN STEAM PUMP CO 11X8X18 VERTICAL SINGLE EMERGENCY FEED PUMP
GENERAL CHARACTERISTICS ITEM DESCRIPTIONCAST GRAY IRON
VERIFIED SUBSTITUTES & CROSS-REFERENCES 12
BS5-1786InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
BS5-1786 PIECE 152InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
UC-9InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
JMS-2316InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
P342InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
E151PC35InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVEGOVERNMENT REGISTRY
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is BS5-1786 PIECE 22?
BS5-1786 PIECE 22 is a FOLLOWER,PISTON,PUMP.
What parts can replace BS5-1786 PIECE 22?
There are 12 known substitutes for BS5-1786 PIECE 22: BS5-1786, BS5-1786 PIECE 152, UC-9 and 9 more. Substitute compatibility should be verified for your specific system.
What is the NSN for BS5-1786 PIECE 22?
BS5-1786 PIECE 22 is cataloged in the Federal Logistics Information System under NSN 4320-01-197-2041. 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: September 2026