PartsTable
Technical Data Sheet
EN18-89 ✓ 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 COCK,PLUG is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY OVERALL, flow_style: TWO WAY TWO PORT 90 DEGREE PLUG TURN, seat_angle: 37.0 DEGREES SECOND END, thread_class: 3A SECOND END A, connection_type: THREADED EXTERNAL TUBE SECOND END, connection_style: FLARED (TUBE) SECOND END. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-384-0272, 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
EN18-89
NSN: 4820-00-384-0272
FSC: 4820
CAGE: 77260 — PIERCE CO INC THE SUB OF AVIS INDUSTRIAL CORP (USA)
SPECIFICATIONS
materialCOPPER ALLOY OVERALL
flow_styleTWO WAY TWO PORT 90 DEGREE PLUG TURN
seat_angle37.0 DEGREES SECOND END
thread_class3A SECOND END A
connection_typeTHREADED EXTERNAL TUBE SECOND END
connection_styleFLARED (TUBE) SECOND END
thread_directionRIGHT-HAND ALL ENDS
nominal_thread_size0.250 INCHES FIRST END IN
valve_operation_methodMANUAL
thread_series_designatorNPT FIRST END
NSN4820-00-384-0272
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS SIZE: — · — · — PN: EN18-89 · 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
NOMINAL THREAD SIZE: 0.250 INCHES FIRST END IN
VALVE OPERATION METHOD: MANUAL
CONNECTION STYLE: FLARED (TUBE) SECOND END
CONNECTION TYPE: THREADED EXTERNAL TUBE SECOND END
SEAT ANGLE: 37.0 DEGREES SECOND END
THREAD SERIES DESIGNATOR: NPT FIRST END
TECHNICAL CHARACTERISTICS (FLIS)
NOMINAL THREAD SIZE0.250 INCHES FIRST END IN
VALVE OPERATION METHODMANUAL
CONNECTION STYLEFLARED (TUBE) SECOND END
CONNECTION TYPETHREADED EXTERNAL TUBE SECOND END
CONNECTION TYPETHREADED EXTERNAL PIPE FIRST END
CONNECTION STYLEPLAIN (PIPE) FIRST END
SEAT ANGLE37.0 DEGREES SECOND END
THREAD SERIES DESIGNATORNPT FIRST END
NOMINAL THREAD SIZE0.500 INCHES SECOND END IN
THREAD CLASS3A SECOND END A
VERIFIED SUBSTITUTES & CROSS-REFERENCES 14
10530Interchangeable
interchangeable cross-reference
interchangeable
20-10530Interchangeable
interchangeable cross-reference
interchangeable
G239-063-009Interchangeable
interchangeable cross-reference
interchangeable
9834Interchangeable
interchangeable cross-reference
interchangeable
00150ST 24Interchangeable
interchangeable cross-reference
interchangeable
C917-10Z1Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is EN18-89?
EN18-89 is a COCK,PLUG.
What parts can replace EN18-89?
There are 14 known substitutes for EN18-89: 10530, 20-10530, G239-063-009 and 11 more. Substitute compatibility should be verified for your specific system.
Is EN18-89 still available?
EN18-89 is currently cancelled.
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