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Technical Data Sheet
PartsTable / COMPONENT / 845-1889587ASSYAAPC23 1 1-2IN
845-1889587ASSYAAPC23 1 1-2IN ✓ 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 DISK,VALVE is a the manufacturer industrial component. Key specifications include material: NICKEL ALLOY. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-067-3957, 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
845-1889587ASSYAAPC23 1 1-2IN
NSN: 4820-01-067-3957
FSC: 4820
CAGE: 80064 — NAVAL SHIP SYSTEMS COMMAND (USA)
SPECIFICATIONS
materialNICKEL ALLOY
NSN4820-01-067-3957
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 845-1889587ASSYAAPC23 1 1-2IN · 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
•
MATERIAL: NICKEL ALLOY
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALNICKEL ALLOY
VERIFIED SUBSTITUTES & CROSS-REFERENCES 21
803-2177934Interchangeable
interchangeable cross-reference
interchangeable
SS845-1889568ASInterchangeable
interchangeable cross-reference
interchangeable
2620-902X6Interchangeable
interchangeable cross-reference
interchangeable
SS845-1889568ASSYC1 1-2INInterchangeable
interchangeable cross-reference
interchangeable
SS845-1889568Interchangeable
interchangeable cross-reference
interchangeable
SS845-1889568ASSYCL1 1-2INInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 845-1889587ASSYAAPC23 1 1-2IN?
845-1889587ASSYAAPC23 1 1-2IN is a DISK,VALVE.
What parts can replace 845-1889587ASSYAAPC23 1 1-2IN?
There are 21 known substitutes for 845-1889587ASSYAAPC23 1 1-2IN: 803-2177934, SS845-1889568AS, 2620-902X6 and 18 more. Substitute compatibility should be verified for your specific system.
Is 845-1889587ASSYAAPC23 1 1-2IN still available?
845-1889587ASSYAAPC23 1 1-2IN 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