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Technical Data Sheet
PartsTable / COMPONENT / 4420 3/8IN
4420 3/8IN ✓ 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 4420 3/8IN is a the manufacturer industrial component. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-262-7392, 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
4420 3/8IN
NSN: 4820-00-262-7392
FSC: 4820
CAGE: 38056 — ASHCROFT INC DBA HEISE (USA)
SPECIFICATIONS
Part Number4420 3/8IN
NSN4820-00-262-7392
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 4420 3/8IN · 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
VERIFIED SUBSTITUTES & CROSS-REFERENCES 28
641326Interchangeable
interchangeable cross-reference
interchangeable
50438Interchangeable
interchangeable cross-reference
interchangeable
A-A-2518Interchangeable
interchangeable cross-reference
interchangeable
727 1/2Interchangeable
interchangeable cross-reference
interchangeable
592-1/4Interchangeable
interchangeable cross-reference
interchangeable
0501Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 4420 3/8IN?
4420 3/8IN is a 4420 3/8IN.
What parts can replace 4420 3/8IN?
There are 28 known substitutes for 4420 3/8IN: 641326, 50438, A-A-2518 and 25 more. Substitute compatibility should be verified for your specific system.
Is 4420 3/8IN still available?
4420 3/8IN 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