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PartsTable / COMPONENT / EC20B 1/4IN
EC20B 1/4IN ✓ 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 EC20B 1/4IN 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 4820-01-338-2018, 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
EC20B 1/4IN
NSN: 4820-01-338-2018
FSC: 4820
CAGE: 29771 — DELTROL CORP (USA)
SPECIFICATIONS
Part NumberEC20B 1/4IN
NSN4820-01-338-2018
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: EC20B 1/4IN · 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
•
DISK LOADING METHOD: SPRING
•
THREAD SERIES DESIGNATOR: NPTF ALL ENDS
•
CONNECTION TYPE: THREADED INTERNAL PIPE ALL ENDS
•
THREAD DIRECTION: RIGHT-HAND ALL ENDS
•
CONNECTION STYLE: PLAIN, OPTIONAL END (PIPE) ALL ENDS
•
MOUNTING POSITION: HORIZONTAL OR VERTICAL
•
NOMINAL THREAD SIZE: 0.250 INCHES ALL ENDS IN
•
MATERIAL: COPPER ALLOY BODY
TECHNICAL CHARACTERISTICS (FLIS)
DISK LOADING METHODSPRING
THREAD SERIES DESIGNATORNPTF ALL ENDS
CONNECTION TYPETHREADED INTERNAL PIPE ALL ENDS
THREAD DIRECTIONRIGHT-HAND ALL ENDS
CONNECTION STYLEPLAIN, OPTIONAL END (PIPE) ALL ENDS
MOUNTING POSITIONHORIZONTAL OR VERTICAL
NOMINAL THREAD SIZE0.250 INCHES ALL ENDS IN
MATERIALCOPPER ALLOY BODY
VALVE OPERATION METHODAUTOMATIC
FLOW CONTROL DEVICEBALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 10
N215EC20Interchangeable
interchangeable cross-reference
interchangeable
AS85049-41Interchangeable
interchangeable cross-reference
interchangeable
1219270-6Interchangeable
interchangeable cross-reference
interchangeable
9795-71Interchangeable
interchangeable cross-reference
interchangeable
EC20Interchangeable
interchangeable cross-reference
interchangeable
9795-10Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is EC20B 1/4IN?
EC20B 1/4IN is a EC20B 1/4IN.
What parts can replace EC20B 1/4IN?
There are 10 known substitutes for EC20B 1/4IN: N215EC20, AS85049-41, 1219270-6 and 7 more. Substitute compatibility should be verified for your specific system.
What is the NSN for EC20B 1/4IN?
EC20B 1/4IN is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-338-2018. 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