PartsTable
Technical Data Sheet
20027351 ✓ 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 material: STEEL CORROSION RESISTING OVERALL, seat_angle: 37.0 DEGREES FIRST END, thread_class: 3A ALL ENDS A, connection_type: THREADED EXTERNAL TUBE ALL ENDS, connection_style: FLARED (TUBE) ALL ENDS, style_designator: STRAIGHT THRU. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-933-8469, 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
20027351
NSN: 4820-00-933-8469
FSC: 4820
CAGE: 02250 — CURTISS-WRIGHT CONTROLS INTEGRATED SENSING, INC. (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING OVERALL
seat_angle37.0 DEGREES FIRST END
thread_class3A ALL ENDS A
connection_typeTHREADED EXTERNAL TUBE ALL ENDS
connection_styleFLARED (TUBE) ALL ENDS
style_designatorSTRAIGHT THRU
thread_directionRIGHT-HAND ALL ENDS
mounting_positionHORIZONTAL OR VERTICAL
surface_treatmentPASSIVATE
operating_pressure4500.0 KILOGRAMS PER SQUARE CENTIMETER MAXIMUM SINGLE RESPONSE KG
flow_control_devicePOPPET
nominal_thread_size0.438 INCHES ALL ENDS IN
NSN4820-00-933-8469
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS SIZE: — · — · — PN: 20027351 · 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
CONNECTION TYPE: THREADED EXTERNAL TUBE ALL ENDS
VALVE OPERATION METHOD: AUTOMATIC
THREAD CLASS: 3A ALL ENDS A
THREAD DIRECTION: RIGHT-HAND ALL ENDS
FLOW CONTROL DEVICE: POPPET
MOUNTING POSITION: HORIZONTAL OR VERTICAL
STYLE DESIGNATOR: STRAIGHT THRU
OPERATING PRESSURE: 4500.0 KILOGRAMS PER SQUARE CENTIMETER MAXIMUM SINGLE RESPONSE KG
TECHNICAL CHARACTERISTICS (FLIS)
CONNECTION TYPETHREADED EXTERNAL TUBE ALL ENDS
VALVE OPERATION METHODAUTOMATIC
THREAD CLASS3A ALL ENDS A
THREAD DIRECTIONRIGHT-HAND ALL ENDS
FLOW CONTROL DEVICEPOPPET
MOUNTING POSITIONHORIZONTAL OR VERTICAL
STYLE DESIGNATORSTRAIGHT THRU
OPERATING PRESSURE4500.0 KILOGRAMS PER SQUARE CENTIMETER MAXIMUM SINGLE RESPONSE KG
SURFACE TREATMENTPASSIVATE
NOMINAL THREAD SIZE0.438 INCHES ALL ENDS IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 8
60244Interchangeable
interchangeable cross-reference
interchangeable
60244AND162734Interchangeable
interchangeable cross-reference
interchangeable
ANSI/NEMA PUB NO. CB1Interchangeable
interchangeable cross-reference
interchangeable
60244SInterchangeable
interchangeable cross-reference
interchangeable
3603120-478050Interchangeable
interchangeable cross-reference
interchangeable
887640-3Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 20027351?
20027351 is a VALVE,CHECK.
What parts can replace 20027351?
There are 8 known substitutes for 20027351: 60244, 60244AND162734, ANSI/NEMA PUB NO. CB1 and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 20027351?
20027351 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-933-8469. This indicates validated use in U.S. government and defense supply chains.
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