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186291PC211 — Technical Data Sheet

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— · GATE VALVE
WHAT YOU NEED TO KNOW
Full open or full close only — never throttle Rising stem shows position visually
Throttling a gate valve erodes seats
PRODUCT OVERVIEW

The PISTON,VALVE is a the manufacturer industrial component. Key specifications include special_features: NICKEL COPPER ALLOY,1.249 IN. DIA.

1.187 IN. LG,DOME TOP 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 4820-00-212-9948, 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
186291PC211
NSN: 4820-00-212-9948
FSC: 4820
CAGE: 8FGX3 — CURTISS-WRIGHT ELECTRO-MECHANICAL CORP DBA STEAM & AIR SOLUTIONS DIV CURTISS-WRIGHT STEAM AND AIR SOLUTIONS (USA)
SPECIFICATIONS
special_featuresNICKEL COPPER ALLOY,1.249 IN. DIA. 1.187 IN. LG,DOME TOP IN
NSN4820-00-212-9948
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 186291PC211 · OEM ⚠ VERIFY BEFORE ORDERING Gate valves = FULL OPEN or FULL CLOSE only — never throttle. Partial opening causes seat erosion and vibration. ✓ BROKER TIP Rising stem shows valve position visually — easier maintenance. Non-rising stem saves headroom. PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
TECHNICAL CHARACTERISTICS (FLIS)
SPECIAL FEATURESNICKEL COPPER ALLOY,1.249 IN. DIA. 1.187 IN. LG,DOME TOP IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 9
166293-211Interchangeable
Same NIIN cross-reference
interchangeable
185891PC211Interchangeable
Same NIIN cross-reference
interchangeable
188406PC211Interchangeable
Same NIIN cross-reference
interchangeable
188989PC211Interchangeable
Same NIIN cross-reference
interchangeable
184450PC211Interchangeable
Same NIIN cross-reference
interchangeable
187681APC211Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 186291PC211?
186291PC211 is a PISTON,VALVE.
What parts can replace 186291PC211?
There are 9 known substitutes for 186291PC211: 166293-211, 185891PC211, 188406PC211 and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 186291PC211?
186291PC211 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-212-9948. 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: August 2026