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PartsTable / COMPONENT / X646 W/80D B0TT
X646 W/80D B0TT ✓ 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 X646 W/80D B0TT is a the manufacturer industrial component. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-230-1929, 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
X646 W/80D B0TT
NSN: 4820-01-230-1929
FSC: 4820
CAGE: 24522 — HUMPHREY PRODUCTS CO (USA)
SPECIFICATIONS
Part NumberX646 W/80D B0TT
Wattage646W
NSN4820-01-230-1929
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: X646 W/80D B0TT · 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
•
646W Power Rating
VERIFIED SUBSTITUTES & CROSS-REFERENCES 10
CS3728Interchangeable
interchangeable cross-reference
interchangeable
X646Interchangeable
interchangeable cross-reference
interchangeable
28877NInterchangeable
interchangeable cross-reference
interchangeable
N67384Interchangeable
interchangeable cross-reference
interchangeable
67384Interchangeable
interchangeable cross-reference
interchangeable
6738400Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is X646 W/80D B0TT?
X646 W/80D B0TT is a X646 W/80D B0TT.
What parts can replace X646 W/80D B0TT?
There are 10 known substitutes for X646 W/80D B0TT: CS3728, X646, 28877N and 7 more. Substitute compatibility should be verified for your specific system.
Is X646 W/80D B0TT still available?
X646 W/80D B0TT 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