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Technical Data Sheet
PartsTable / COMPONENT / 442740059
442740059 ✓ 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 STEM,FLUID VALVE is a the manufacturer industrial component. This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-487-4166, 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
442740059
NSN: 4820-01-487-4166
FSC: 4820
CAGE: 35795 — LESLIE CONTROLS, INC. DBA LESLIE CONTROLS INC (USA)
SPECIFICATIONS
Part Number442740059
NSN4820-01-487-4166
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 442740059 · 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 6
21473N 4IN PC 16Interchangeable
interchangeable cross-reference
interchangeable
442490057Interchangeable
interchangeable cross-reference
interchangeable
21473NInterchangeable
interchangeable cross-reference
interchangeable
56011Interchangeable
interchangeable cross-reference
interchangeable
21473N 4IN PC 21Interchangeable
interchangeable cross-reference
interchangeable
21473N PC NO 18Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 442740059?
442740059 is a STEM,FLUID VALVE.
What parts can replace 442740059?
There are 6 known substitutes for 442740059: 21473N 4IN PC 16, 442490057, 21473N and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 442740059?
442740059 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-487-4166. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026