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Technical Data Sheet
PartsTable / COMPONENT / 11W200-1/2XNMP-
11W200-1/2XNMP- ✓ 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 11W200-1/2XNMP- 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 4820-01-214-6899, 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
11W200-1/2XNMP-
NSN: 4820-01-214-6899
FSC: 4820
CAGE: 75954 — KUNKLE INDUSTRIES INC LONERGAN VALVE DIV (USA)
SPECIFICATIONS
Part Number11W200-1/2XNMP-
NSN4820-01-214-6899
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 11W200-1/2XNMP- · 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
•
THREAD SERIES DESIGNATOR: NPT FIRST END
•
STYLE DESIGNATOR: ANGLE
•
CONNECTION TYPE: UNTHREADED INTERNAL PIPE SECOND END
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CONNECTION STYLE: STREAMLINED WITH ONE BRAZING RING SECOND END
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NOMINAL PIPE SIZE ACCOMMODATED: 0.500 INCHES SECOND END IN
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MATERIAL: COPPER ALLOY BODY
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THREAD DIRECTION: RIGHT-HAND FIRST END
TECHNICAL CHARACTERISTICS (FLIS)
THREAD SERIES DESIGNATORNPT FIRST END
STYLE DESIGNATORANGLE
CONNECTION TYPEUNTHREADED INTERNAL PIPE SECOND END
CONNECTION STYLESTREAMLINED WITH ONE BRAZING RING SECOND END
NOMINAL PIPE SIZE ACCOMMODATED0.500 INCHES SECOND END IN
MATERIALCOPPER ALLOY BODY
MATERIALNICKEL ALLOY SEAT
THREAD DIRECTIONRIGHT-HAND FIRST END
CONNECTION TYPETHREADED INTERNAL PIPE FIRST END
MEDIA FOR WHICH DESIGNEDAIR SINGLE RESPONSE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 6
53-1-70Interchangeable
interchangeable cross-reference
interchangeable
NMP-184 PIECE 24Interchangeable
interchangeable cross-reference
interchangeable
NMP-184Interchangeable
interchangeable cross-reference
interchangeable
11-W-200 1/2UBT/SP 30PSIInterchangeable
Same NIIN cross-reference
interchangeable
11W200-1/2X1NMP-184 27TO32PSIInterchangeable
Same NIIN cross-reference
interchangeable
NMP1562 SET @30 PSIGInterchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 11W200-1/2XNMP-?
11W200-1/2XNMP- is a 11W200-1/2XNMP-.
What parts can replace 11W200-1/2XNMP-?
There are 6 known substitutes for 11W200-1/2XNMP-: 53-1-70, NMP-184 PIECE 24, NMP-184 and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 11W200-1/2XNMP-?
11W200-1/2XNMP- is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-214-6899. 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