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Technical Data Sheet
PartsTable / COMPONENT / 2620-902ASSYDF 1 1/4IN
2620-902ASSYDF 1 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 2620-902ASSYDF 1 1/4IN is a the manufacturer industrial component. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-118-0381, 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
2620-902ASSYDF 1 1/4IN
NSN: 4820-01-118-0381
FSC: 4820
CAGE: 96169 — ELECTRIC BOAT CORPORATION DIV GENERAL DYNAMICS ELECTRIC BOAT (USA)
SPECIFICATIONS
Part Number2620-902ASSYDF 1 1/4IN
NSN4820-01-118-0381
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 2620-902ASSYDF 1 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
•
VALVE OPERATION METHOD: MANUAL
•
CONNECTION STYLE: REDUCED SOCKET ONE BRAZING RING (TUBE) ALL ENDS
•
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED: 1.650 INCHES ALL ENDS IN
•
FURNISHED ITEMS AND QUANTITY: 1 HANDWHEEL
•
OPERATING PRESSURE: 700.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
•
MATERIAL: STEEL CORROSION RESISTING STEM
•
CONNECTION TYPE: UNTHREADED INTERNAL TUBE ALL ENDS
TECHNICAL CHARACTERISTICS (FLIS)
VALVE OPERATION METHODMANUAL
CONNECTION STYLEREDUCED SOCKET ONE BRAZING RING (TUBE) ALL ENDS
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED1.650 INCHES ALL ENDS IN
FURNISHED ITEMS AND QUANTITY1 HANDWHEEL
OPERATING PRESSURE700.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
MATERIALSTEEL CORROSION RESISTING STEM
CONNECTION TYPEUNTHREADED INTERNAL TUBE ALL ENDS
MATERIALSTEEL CORROSION RESISTING FLOW CONTROL DEVICE
MATERIALCOPPER ALLOY BODY
BONNET TYPEPACKING RETAINING
VERIFIED SUBSTITUTES & CROSS-REFERENCES 29
C38476Interchangeable
interchangeable cross-reference
interchangeable
SS845-1889587Interchangeable
interchangeable cross-reference
interchangeable
SC3549 3-4INInterchangeable
interchangeable cross-reference
interchangeable
803-2177934-C626Interchangeable
interchangeable cross-reference
interchangeable
803-2177934-C626L1Interchangeable
interchangeable cross-reference
interchangeable
SS845-1889587ASInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 2620-902ASSYDF 1 1/4IN?
2620-902ASSYDF 1 1/4IN is a 2620-902ASSYDF 1 1/4IN.
What parts can replace 2620-902ASSYDF 1 1/4IN?
There are 29 known substitutes for 2620-902ASSYDF 1 1/4IN: C38476, SS845-1889587, SC3549 3-4IN and 26 more. Substitute compatibility should be verified for your specific system.
Is 2620-902ASSYDF 1 1/4IN still available?
2620-902ASSYDF 1 1/4IN is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026