PartsTable
Technical Data Sheet
206-1/2 ✓ Verified by PartsTable
· 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 206-1/2 is a the manufacturer industrial component. This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-189-2104, 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
206-1/2
NSN: 4820-01-189-2104
FSC: 4820
CAGE: 55018 — RED-WHITE VALVE CORP. (USA)
SPECIFICATIONS
Part Number206-1/2
NSN4820-01-189-2104
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS SIZE: — · — · — PN: 206-1/2 · 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
KEY FEATURES
VALVE SIZE: 0.500 INCHES IN
INLET RELATIONSHIP WITH OUTLET: IDENTICAL
THREAD SERIES DESIGNATOR: NPT
MATERIAL: COPPER ALLOY BODY
STEM TYPE: NONRISING
NOMINAL THREAD SIZE: 0.500 INCHES IN
OPERATING PRESSURE AND TYPE: 125.0 POUNDS PER SQUARE INCH (PSI) STEAM MAXIMUM REQUIRED AND 200.0 POUNDS PER SQUARE INCH (PSI) WATER AND OTHER LIQUIDS MAXIMUM REQUIRED LOCATION NOT OTHERWISE SPECIFIED LBS
VALVE OPERATION METHOD: MANUAL
TECHNICAL CHARACTERISTICS (FLIS)
VALVE SIZE0.500 INCHES IN
INLET RELATIONSHIP WITH OUTLETIDENTICAL
THREAD SERIES DESIGNATORNPT
MATERIALCOPPER ALLOY BODY
STEM TYPENONRISING
NOMINAL THREAD SIZE0.500 INCHES IN
OPERATING PRESSURE AND TYPE125.0 POUNDS PER SQUARE INCH (PSI) STEAM MAXIMUM REQUIRED AND 200.0 POUNDS PER SQUARE INCH (PSI) WATER AND OTHER LIQUIDS MAXIMUM REQUIRED LOCATION NOT OTHERWISE SPECIFIED LBS
VALVE OPERATION METHODMANUAL
CONNECTION TYPETHREADED INTERNAL PIPE
MATERIALCOPPER ALLOY STEM
VERIFIED SUBSTITUTES & CROSS-REFERENCES 11
150 1/2Interchangeable
interchangeable cross-reference
interchangeable
44032Interchangeable
interchangeable cross-reference
interchangeable
20612Interchangeable
interchangeable cross-reference
interchangeable
FC300-12Interchangeable
interchangeable cross-reference
interchangeable
BM7866-12Interchangeable
interchangeable cross-reference
interchangeable
AE372-12Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 206-1/2?
206-1/2 is a 206-1/2.
What parts can replace 206-1/2?
There are 11 known substitutes for 206-1/2: 150 1/2, 44032, 20612 and 8 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 206-1/2?
206-1/2 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-189-2104. This indicates validated use in U.S. government and defense supply chains.
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