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PartsTable / COMPONENT / 101188 11/4INCH
101188 11/4INCH ✓ 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 101188 11/4INCH 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 4820-01-459-9331, 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
101188 11/4INCH
NSN: 4820-01-459-9331
FSC: 4820
CAGE: 76364 — MILWAUKEE VALVE CO, INC DIV MILWAUKEE VALVE COMPANY, LLC (USA)
SPECIFICATIONS
Part Number101188 11/4INCH
NSN4820-01-459-9331
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 101188 11/4INCH · 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
•
MOUNTING POSITION: HORIZONTAL OR VERTICAL
•
STYLE DESIGNATOR: STRAIGHT THRU FLANGED ENDS
•
VALVE OPERATION METHOD: AUTOMATIC
•
VALVE SIZE: 1.250 INCHES IN
TECHNICAL CHARACTERISTICS (FLIS)
MOUNTING POSITIONHORIZONTAL OR VERTICAL
END ITEM IDENTIFICATIONW/S WASP CLASS LHD
STYLE DESIGNATORSTRAIGHT THRU FLANGED ENDS
VALVE OPERATION METHODAUTOMATIC
VALVE SIZE1.250 INCHES IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 12
101186Interchangeable
interchangeable cross-reference
interchangeable
DS1621511-2IN FInterchangeable
interchangeable cross-reference
interchangeable
101186C1D882039098Interchangeable
interchangeable cross-reference
interchangeable
101188Interchangeable
interchangeable cross-reference
interchangeable
98858Interchangeable
interchangeable cross-reference
interchangeable
102316Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 101188 11/4INCH?
101188 11/4INCH is a 101188 11/4INCH.
What parts can replace 101188 11/4INCH?
There are 12 known substitutes for 101188 11/4INCH: 101186, DS1621511-2IN F, 101186C1D882039098 and 9 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 101188 11/4INCH?
101188 11/4INCH is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-459-9331. 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