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Technical Data Sheet
PartsTable / COMPONENT / 18440 PC NO.15
18440 PC NO.15 ✓ 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 18440 PC NO.15 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 4820-01-547-9485, 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
18440 PC NO.15
NSN: 4820-01-547-9485
FSC: 4820
CAGE: 62144 — PARKER HANNIFIN CORPORATION DIV VILLAGE MARINE TECH (USA)
SPECIFICATIONS
Part Number18440 PC NO.15
NSN4820-01-547-9485
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 18440 PC NO.15 · 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
•
MATERIAL: STEEL COMP 316 BODY
•
VALVE SIZE: 0.250 INCHES IN
TECHNICAL CHARACTERISTICS (FLIS)
END ITEM IDENTIFICATIONWATER PURIFICATION UNIT, MODEL LCS1
MATERIALSTEEL COMP 316 BODY
PART NAME ASSIGNED BY CONTROLLING AGENCYSAMPLE VALVE, 2-WAY BALL, 0.25IN IN
VALVE SIZE0.250 INCHES IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 3
1874138Interchangeable
interchangeable cross-reference
interchangeable
M2442Interchangeable
interchangeable cross-reference
interchangeable
178-85Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 18440 PC NO.15?
18440 PC NO.15 is a 18440 PC NO.15.
What parts can replace 18440 PC NO.15?
There are 3 known substitutes for 18440 PC NO.15: 1874138, M2442, 178-85. Substitute compatibility should be verified for your specific system.
What is the NSN for 18440 PC NO.15?
18440 PC NO.15 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-547-9485. 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