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PartsTable / COMPONENT / RAN 18539N
RAN 18539N ✓ 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 VALVE,PILOT,PRESSURE 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 4820-01-140-2088, 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
RAN 18539N
NSN: 4820-01-140-2088
FSC: 4820
CAGE: 35795 — LESLIE CONTROLS, INC. DBA LESLIE CONTROLS INC (USA)
SPECIFICATIONS
general_characteristics_item_descriptionCAST BRONZE BODY; FLANGE 1/2 IN. 150 PSI,ASA FLANGE DRILLED 4 HOLE 5/8 IN. DIA ON 2-3/8 IN. BOLT CRCLE DIA; W/GAUGE 0 TO 30 PSI; O/A DIM. 6.125 IN W BY 9.750 IN. H IN
NSN4820-01-140-2088
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: RAN 18539N · 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
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GENERAL CHARACTERISTICS ITEM DESCRIPTION: CAST BRONZE BODY; FLANGE 1/2 IN. 150 PSI,ASA FLANGE DRILLED 4 HOLE 5/8 IN. DIA ON 2-3/8 IN. BOLT CRCLE DIA; W/GAUGE 0 TO 30 PSI; O/A DIM. 6.125 IN W BY 9.750 IN. H IN
TECHNICAL CHARACTERISTICS (FLIS)
GENERAL CHARACTERISTICS ITEM DESCRIPTIONCAST BRONZE BODY; FLANGE 1/2 IN. 150 PSI,ASA FLANGE DRILLED 4 HOLE 5/8 IN. DIA ON 2-3/8 IN. BOLT CRCLE DIA; W/GAUGE 0 TO 30 PSI; O/A DIM. 6.125 IN W BY 9.750 IN. H IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 6
21764Interchangeable
interchangeable cross-reference
interchangeable
18539NInterchangeable
interchangeable cross-reference
interchangeable
N21764Interchangeable
interchangeable cross-reference
interchangeable
N26050Interchangeable
interchangeable cross-reference
interchangeable
18539N PC 32Interchangeable
interchangeable cross-reference
interchangeable
26050Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is RAN 18539N?
RAN 18539N is a VALVE,PILOT,PRESSURE.
What parts can replace RAN 18539N?
There are 6 known substitutes for RAN 18539N: 21764, 18539N, N21764 and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for RAN 18539N?
RAN 18539N is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-140-2088. 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