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PartsTable / COMPONENT / NP-541 PART 18
NP-541 PART 18 ✓ 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 FILTER ELEMENT,FLUID is a the manufacturer industrial component. Key specifications include inside_diameter: 1.125 INCHES NOMINAL IN, pressure_rating: 600.0 POUNDS PER SQUARE INCH (PSI) NOMINAL LBS. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-296-7015, 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
NP-541 PART 18
NSN: 4820-01-296-7015
FSC: 4820
CAGE: 93591 — PENTAIR VALVES & CONTROLS US LP DIV FLOW CONTROL US HOLDING CORP (USA)
SPECIFICATIONS
inside_diameter1.125 INCHES NOMINAL IN
pressure_rating600.0 POUNDS PER SQUARE INCH (PSI) NOMINAL LBS
NSN4820-01-296-7015
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: NP-541 PART 18 · 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
•
PRESSURE RATING: 600.0 POUNDS PER SQUARE INCH (PSI) NOMINAL LBS
•
INSIDE DIAMETER: 1.125 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
PRESSURE RATING600.0 POUNDS PER SQUARE INCH (PSI) NOMINAL LBS
INSIDE DIAMETER1.125 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 8
PC83Interchangeable
interchangeable cross-reference
interchangeable
PN19Interchangeable
interchangeable cross-reference
interchangeable
1595507Interchangeable
interchangeable cross-reference
interchangeable
S1106B1K58Interchangeable
interchangeable cross-reference
interchangeable
SSMDR-3FA7P58L01K8Interchangeable
interchangeable cross-reference
interchangeable
SR3MBR7Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is NP-541 PART 18?
NP-541 PART 18 is a FILTER ELEMENT,FLUID.
What parts can replace NP-541 PART 18?
There are 8 known substitutes for NP-541 PART 18: PC83, PN19, 1595507 and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for NP-541 PART 18?
NP-541 PART 18 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-296-7015. 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