PartsTable
Technical Data Sheet
2620-902ASSYAA1 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 VALVE,GATE is a the manufacturer industrial component. Key specifications include material: NICKEL ALLOY STEM, stem_type: RISING, valve_size: 1.250 INCHES IN, bonnet_type: INSIDE SCREW, connection_type: SOCKET, WELD, PIPE, valve_operation_method: MANUAL. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-943-7272, 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
2620-902ASSYAA1 1-4IN
NSN: 4820-00-943-7272
FSC: 4820
CAGE: 63686 — THE WALWORTH COMPANY (USA)
SPECIFICATIONS
materialNICKEL ALLOY STEM
stem_typeRISING
valve_size1.250 INCHES IN
bonnet_typeINSIDE SCREW
connection_typeSOCKET, WELD, PIPE
valve_operation_methodMANUAL
bonnet_attachment_methodTHREADED
operating_pressure_and_type700.0 POUNDS PER SQUARE INCH (PSI) WATER AND OTHER LIQUIDS MAXIMUM REQUIRED LOCATION NOT OTHERWISE SPECIFIED LBS
criticality_code_justificationZZZY
inlet_relationship_with_outletIDENTICAL
nominal_pipe_size_accommodated1.250 INCHES IN
reference_number_differentiating_characteristicsQUALITY CONTROL IAW NAVSHIPS 0948-045-7010 MATERIAL IDENTIFICATION AND CONTROL INSTRUCTION FOR LEVEL 1 ITEMS
NSN4820-00-943-7272
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS SIZE: — · — · — PN: 2620-902ASSYAA1 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
CRITICALITY CODE JUSTIFICATION: ZZZY
VALVE OPERATION METHOD: MANUAL
STEM TYPE: RISING
INLET RELATIONSHIP WITH OUTLET: IDENTICAL
MATERIAL: COPPER ALLOY BODY
NOMINAL PIPE SIZE ACCOMMODATED: 1.250 INCHES IN
BONNET TYPE: INSIDE SCREW
OPERATING PRESSURE AND TYPE: 700.0 POUNDS PER SQUARE INCH (PSI) WATER AND OTHER LIQUIDS MAXIMUM REQUIRED LOCATION NOT OTHERWISE SPECIFIED LBS
TECHNICAL CHARACTERISTICS (FLIS)
CRITICALITY CODE JUSTIFICATIONZZZY
VALVE OPERATION METHODMANUAL
STEM TYPERISING
INLET RELATIONSHIP WITH OUTLETIDENTICAL
MATERIALCOPPER ALLOY BODY
NOMINAL PIPE SIZE ACCOMMODATED1.250 INCHES IN
BONNET TYPEINSIDE SCREW
OPERATING PRESSURE AND TYPE700.0 POUNDS PER SQUARE INCH (PSI) WATER AND OTHER LIQUIDS MAXIMUM REQUIRED LOCATION NOT OTHERWISE SPECIFIED LBS
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICSQUALITY CONTROL IAW NAVSHIPS 0948-045-7010 MATERIAL IDENTIFICATION AND CONTROL INSTRUCTION FOR LEVEL 1 ITEMS
CONNECTION TYPESOCKET, WELD, PIPE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 21
2620-902Interchangeable
interchangeable cross-reference
interchangeable
845-1889587ASSYE1/2INInterchangeable
interchangeable cross-reference
interchangeable
2620-902L1Interchangeable
interchangeable cross-reference
interchangeable
2620-902ASSYCInterchangeable
interchangeable cross-reference
interchangeable
2620-902ASSYB2Interchangeable
interchangeable cross-reference
interchangeable
845-1889587ASSYB2L1Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 2620-902ASSYAA1 1-4IN?
2620-902ASSYAA1 1-4IN is a VALVE,GATE.
What parts can replace 2620-902ASSYAA1 1-4IN?
There are 21 known substitutes for 2620-902ASSYAA1 1-4IN: 2620-902, 845-1889587ASSYE1/2IN, 2620-902L1 and 18 more. Substitute compatibility should be verified for your specific system.
Is 2620-902ASSYAA1 1-4IN still available?
2620-902ASSYAA1 1-4IN is currently cancelled.
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