Full open or full close only — never throttle Rising stem shows position visually
Throttling a gate valve erodes seats
PRODUCT OVERVIEW
The LOCKNUT,TUBE FITTING is a the manufacturer industrial component. Key specifications include material: NICKEL ALLOY SEAT, end_item_identification: MOORED TRAINING SHIP. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-261-9687, 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
1889587
NSN:4820-00-261-9687 FSC:4820 CAGE:80064 — NAVAL SHIP SYSTEMS COMMAND (USA)
SPECIFICATIONS
material
NICKEL ALLOY SEAT
end_item_identification
MOORED TRAINING SHIP
NSN
4820-00-261-9687
COMPONENT DIAGRAM
KEY FEATURES
•
SEAT ANGLE: 30.0 DEGREES NOMINAL
•
FLANGE SEAT TO DISK END HEIGHT: 0.655 INCHES NOMINAL IN
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FREQUENTLY ASKED QUESTIONS
What is 1889587?
1889587 is a LOCKNUT,TUBE FITTING.
What parts can replace 1889587?
There are 14 known substitutes for 1889587: 2586010, 10387649, 302352 and 11 more. Substitute compatibility should be verified for your specific system.
Is 1889587 still available?
1889587 is currently cancelled.
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