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Technical Data Sheet
PartsTable / COMPONENT / 888066
888066 ✓ 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 SEAT,VALVE is a the manufacturer industrial component. Key specifications include overall_height: 1.500 INCHES NOMINAL IN, special_features: W/SPRING,HELICAL,COMPRESSION,BOLT,HEXAGON AND SEAT ASSEMBLY,SLEEVE, body_outside_diameter: 0.667 INCHES NOMINAL 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 4820-00-034-4188, 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
888066
NSN: 4820-00-034-4188
FSC: 4820
CAGE: 12603 — CLARK EQUIPMENT CO (USA)
SPECIFICATIONS
overall_height1.500 INCHES NOMINAL IN
special_featuresW/SPRING,HELICAL,COMPRESSION,BOLT,HEXAGON AND SEAT ASSEMBLY,SLEEVE
body_outside_diameter0.667 INCHES NOMINAL IN
NSN4820-00-034-4188
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 888066 · 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
•
BODY OUTSIDE DIAMETER: 0.667 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
BODY OUTSIDE DIAMETER0.667 INCHES NOMINAL IN
SPECIAL FEATURESW/SPRING,HELICAL,COMPRESSION,BOLT,HEXAGON AND SEAT ASSEMBLY,SLEEVE
OVERALL HEIGHT1.500 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 8
B16.3Interchangeable
interchangeable cross-reference
interchangeable
WWP521TYPE2Interchangeable
interchangeable cross-reference
interchangeable
6KP16Interchangeable
interchangeable cross-reference
interchangeable
232799Interchangeable
interchangeable cross-reference
interchangeable
87367188Interchangeable
interchangeable cross-reference
interchangeable
144121Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 888066?
888066 is a SEAT,VALVE.
What parts can replace 888066?
There are 8 known substitutes for 888066: B16.3, WWP521TYPE2, 6KP16 and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 888066?
888066 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-034-4188. 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