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Technical Data Sheet
PartsTable / COMPONENT / 20020 REV B FIND NO. 4
20020 REV B FIND NO. 4 ✓ 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 20020 REV B FIND NO. 4 is a the manufacturer industrial component. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-036-2424, 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
20020 REV B FIND NO. 4
NSN: 4820-00-036-2424
FSC: 4820
CAGE: 15187 — EMERSON AUTOMATION SOLUTIONS FINAL CONTROL US LP DIV NAVY PRODUCT TEAM (USA)
SPECIFICATIONS
Part Number20020 REV B FIND NO. 4
NSN4820-00-036-2424
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 20020 REV B FIND NO. 4 · 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
TECHNICAL CHARACTERISTICS (FLIS)
END ITEM IDENTIFICATIONVALVE RELF 1.50IPS 15 T 19PSI
VERIFIED SUBSTITUTES & CROSS-REFERENCES 20
281478-86Interchangeable
interchangeable cross-reference
interchangeable
FFB171Interchangeable
interchangeable cross-reference
interchangeable
S1449642Interchangeable
interchangeable cross-reference
interchangeable
904-23Interchangeable
interchangeable cross-reference
interchangeable
5118-15-14Interchangeable
interchangeable cross-reference
interchangeable
XD601Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 20020 REV B FIND NO. 4?
20020 REV B FIND NO. 4 is a 20020 REV B FIND NO. 4.
What parts can replace 20020 REV B FIND NO. 4?
There are 20 known substitutes for 20020 REV B FIND NO. 4: 281478-86, FFB171, S1449642 and 17 more. Substitute compatibility should be verified for your specific system.
Is 20020 REV B FIND NO. 4 still available?
20020 REV B FIND NO. 4 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026