PartsTable
Technical Data Sheet
PartsTable / COMPONENT / 845-1889587ASSYD,3-4INL1
845-1889587ASSYD,3-4INL1 ✓ 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 845-1889587ASSYD,3-4INL1 is a the manufacturer industrial component. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-944-8740, 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
845-1889587ASSYD,3-4INL1
NSN: 4820-00-944-8740
FSC: 4820
CAGE: 03950 — NAVAL INVENTORY CONTROL POINT MECHANICSBURG (USA)
SPECIFICATIONS
Part Number845-1889587ASSYD,3-4INL1
NSN4820-00-944-8740
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 845-1889587ASSYD,3-4INL1 · 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
•
BONNET ATTACHMENT METHOD: THREADED
•
NOMINAL PIPE SIZE ACCOMMODATED: 0.750 INCHES FIRST END IN
•
CONNECTION STYLE: STREAMLINED WITH TWO BRAZING RINGS FIRST END
•
FLOW CONTROL DEVICE: DISK
•
MATERIAL: NICKEL ALLOY SEAT
•
MAXIMUM OPERATING TEMP: 150.0 FAHRENHEIT SINGLE RESPONSE DEGF
TECHNICAL CHARACTERISTICS (FLIS)
BONNET TYPEINSIDE SCREW
BONNET ATTACHMENT METHODTHREADED
NOMINAL PIPE SIZE ACCOMMODATED0.750 INCHES FIRST END IN
CONNECTION STYLESTREAMLINED WITH TWO BRAZING RINGS FIRST END
FLOW CONTROL DEVICEDISK
MATERIALNICKEL ALLOY SEAT
MATERIALCOPPER ALLOY BODY
MAXIMUM OPERATING TEMP150.0 FAHRENHEIT SINGLE RESPONSE DEGF
RENEWABLE SEAT RING TYPETHREADED
VALVE OPERATION METHODMANUAL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 24
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 845-1889587ASSYD,3-4INL1?
845-1889587ASSYD,3-4INL1 is a 845-1889587ASSYD,3-4INL1.
What parts can replace 845-1889587ASSYD,3-4INL1?
There are 24 known substitutes for 845-1889587ASSYD,3-4INL1: 2620-902, 845-1889587ASSYE1/2IN, 2620-902L1 and 21 more. Substitute compatibility should be verified for your specific system.
Is 845-1889587ASSYD,3-4INL1 still available?
845-1889587ASSYD,3-4INL1 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