PartsTable
Technical Data Sheet
PartsTable / COMPONENT / 101188 1 1/4INC

101188 1 1/4INC — Technical Data Sheet

✓ 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 VALVE,CHECK is a the manufacturer industrial component. Key specifications include valve_size: 1.250 INCHES IN, style_designator: STRAIGHT THRU FLANGED ENDS, mounting_position: HORIZONTAL OR VERTICAL, valve_operation_method: AUTOMATIC, end_item_identification: W/S WASP CLASS LHD. 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 1 1/4INC
NSN: 4820-01-459-9331
FSC: 4820
CAGE: 76364 — MILWAUKEE VALVE CO, INC DIV MILWAUKEE VALVE COMPANY, LLC (USA)
SPECIFICATIONS
valve_size1.250 INCHES IN
style_designatorSTRAIGHT THRU FLANGED ENDS
mounting_positionHORIZONTAL OR VERTICAL
valve_operation_methodAUTOMATIC
end_item_identificationW/S WASP CLASS LHD
NSN4820-01-459-9331
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 101188 1 1/4INC · 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 11
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
Ready to buy 101188 1 1/4INC?
Compare prices from verified sellers on eBay
Buy on eBay →
As an eBay Partner, PartsTable may earn a commission. Your price is not affected.
FREQUENTLY ASKED QUESTIONS
What is 101188 1 1/4INC?
101188 1 1/4INC is a VALVE,CHECK.
What parts can replace 101188 1 1/4INC?
There are 11 known substitutes for 101188 1 1/4INC: 101186, DS1621511-2IN F, 101186C1D882039098 and 8 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 101188 1 1/4INC?
101188 1 1/4INC 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.
Community Feedback
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — 101188 1 1/4INC

✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: September 2026