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Technical Data Sheet
PartsTable / COMPONENT / 21509N PC 32A P/N 42225
21509N PC 32A P/N 42225 ✓ 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 21509N PC 32A P/N 42225 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 4820-01-504-2818, 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
21509N PC 32A P/N 42225
NSN: 4820-01-504-2818
FSC: 4820
CAGE: 35795 — LESLIE CONTROLS, INC. DBA LESLIE CONTROLS INC (USA)
SPECIFICATIONS
Part Number21509N PC 32A P/N 42225
NSN4820-01-504-2818
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 21509N PC 32A P/N 42225 · 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 21
P11-3179Interchangeable
interchangeable cross-reference
interchangeable
AF 421MInterchangeable
interchangeable cross-reference
interchangeable
949525Interchangeable
interchangeable cross-reference
interchangeable
683RH-1/4-3/8SInterchangeable
interchangeable cross-reference
interchangeable
00725665410079Interchangeable
interchangeable cross-reference
interchangeable
G8-1Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 21509N PC 32A P/N 42225?
21509N PC 32A P/N 42225 is a 21509N PC 32A P/N 42225.
What parts can replace 21509N PC 32A P/N 42225?
There are 21 known substitutes for 21509N PC 32A P/N 42225: P11-3179, AF 421M, 949525 and 18 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 21509N PC 32A P/N 42225?
21509N PC 32A P/N 42225 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-504-2818. 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