PartsTable
Technical Data Sheet
AEX303E ✓ 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,SEATLESS is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY OVERALL, stem_type: RISING, bonnet_type: INSIDE SCREW, connection_style: PLAIN,OPTIONAL END(PIPE) FIRST END, style_designator: ANGLE, thread_direction: RIGHT-HAND ALL ENDS. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-069-0020, 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
AEX303E
NSN: 4820-00-069-0020
FSC: 4820
CAGE: 78830 — TROPIC-AIRE CARRIER DIVISION OF MC GRAW-EDISON CO (USA)
SPECIFICATIONS
materialCOPPER ALLOY OVERALL
stem_typeRISING
bonnet_typeINSIDE SCREW
connection_stylePLAIN,OPTIONAL END(PIPE) FIRST END
style_designatorANGLE
thread_directionRIGHT-HAND ALL ENDS
features_providedVALVE STEM LOCK SHIELD AND BONNET PACKING
flow_control_devicePISTON
nominal_thread_size0.250 INCHES ALL ENDS IN
valve_operation_methodMANUAL
bonnet_attachment_methodINTEGRAL
thread_series_designatorNPT ALL ENDS
NSN4820-00-069-0020
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS SIZE: — · — · — PN: AEX303E · 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
BONNET TYPE: INSIDE SCREW
FLOW CONTROL DEVICE: PISTON
FEATURES PROVIDED: VALVE STEM LOCK SHIELD AND BONNET PACKING
CONNECTION STYLE: PLAIN,OPTIONAL END(PIPE) FIRST END
BONNET ATTACHMENT METHOD: INTEGRAL
VALVE OPERATION METHOD: MANUAL
THREAD DIRECTION: RIGHT-HAND ALL ENDS
TECHNICAL CHARACTERISTICS (FLIS)
BONNET TYPEINSIDE SCREW
FLOW CONTROL DEVICEPISTON
FEATURES PROVIDEDVALVE STEM LOCK SHIELD AND BONNET PACKING
CONNECTION STYLEPLAIN,OPTIONAL END(PIPE) FIRST END
CONNECTION STYLEPLAIN (PIPE) SECOND END
BONNET ATTACHMENT METHODINTEGRAL
VALVE OPERATION METHODMANUAL
THREAD DIRECTIONRIGHT-HAND ALL ENDS
STYLE DESIGNATORANGLE
THREAD SERIES DESIGNATORNPT ALL ENDS
VERIFIED SUBSTITUTES & CROSS-REFERENCES 6
A1350Interchangeable
interchangeable cross-reference
interchangeable
A-1350-2Interchangeable
interchangeable cross-reference
interchangeable
40MP135Interchangeable
Same NIIN cross-reference
interchangeable
EP23NC090-10855Interchangeable
Same NIIN cross-reference
interchangeable
EP23NC090Interchangeable
Same NIIN cross-reference
interchangeable
MRG86170Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is AEX303E?
AEX303E is a VALVE,SEATLESS.
What parts can replace AEX303E?
There are 6 known substitutes for AEX303E: A1350, A-1350-2, 40MP135 and 3 more. Substitute compatibility should be verified for your specific system.
Is AEX303E still available?
AEX303E is currently cancelled.
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