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845-1889565 8IN — SEAT RING INSERT,VALVE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

845-1889565 8IN: SEAT RING INSERT,VALVE.

The SEAT RING INSERT,VALVE is a the manufacturer industrial component. Key specifications include general_characteristics_item_description: STEEL; 7.935 IN. O/A DIA IN.

This part is cataloged in the U.S. Government catalog under NSN 4820-01-117-8316, 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
845-1889565 8IN
NSN: 4820-01-117-8316
FSC: 4820 — Valves, Nonpowered
CAGE: 63686 — THE WALWORTH COMPANY (USA)
SPECIFICATIONS
general_characteristics_item_descriptionSTEEL; 7.935 IN. O/A DIA IN
NSN4820-01-117-8316
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 845-1889565 8IN · 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
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GENERAL CHARACTERISTICS ITEM DESCRIPTION: STEEL; 7.935 IN. O/A DIA IN
TECHNICAL CHARACTERISTICS
GENERAL CHARACTERISTICS ITEM DESCRIPTIONSTEEL; 7.935 IN. O/A DIA IN
SUBSTITUTES & CROSS-REFERENCES 1
845-1889565Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 845-1889565 8IN?
845-1889565 8IN is a SEAT RING INSERT,VALVE.
What parts can replace 845-1889565 8IN?
There is 1 known substitute for 845-1889565 8IN: 845-1889565. Substitute compatibility should be verified for your specific system.
What is the NSN for 845-1889565 8IN?
845-1889565 8IN is cataloged in the U.S. Government catalog under NSN 4820-01-117-8316. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.