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Technical Data Sheet
PartsTable / COMPONENT / 40XL-3/4IN.90PSI
40XL-3/4IN.90PSI ✓ 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 40XL-3/4IN.90PSI 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 4820-00-849-9731, 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
40XL-3/4IN.90PSI
NSN: 4820-00-849-9731
FSC: 4820
CAGE: 79227 — WATTS REGULATOR COMPANY (USA)
SPECIFICATIONS
Part Number40XL-3/4IN.90PSI
NSN4820-00-849-9731
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 40XL-3/4IN.90PSI · 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: PLASTIC SILICONE FLOW CONTROL DEVICE
•
FLOW CONTROL DEVICE: POPPET
•
SECOND END NOMINAL PIPE SIZE ACCOMMODATED: 0.750 INCHES IN
•
SECOND END RELATIONSHIP WITH FIRST END: NOT IDENTICAL
•
FIRST END THREAD SERIES DESIGNATOR: NPT
•
TEMP ADJUSTABILITY: NOT ADJUSTABLE
•
OPENING PRESSURE SETTING: ERR-060
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALPLASTIC SILICONE FLOW CONTROL DEVICE
FLOW CONTROL DEVICEPOPPET
SECOND END NOMINAL PIPE SIZE ACCOMMODATED0.750 INCHES IN
SPECIAL FEATURES130.000 BTU PER HR MIN DISCHARGE
SECOND END RELATIONSHIP WITH FIRST ENDNOT IDENTICAL
FIRST END THREAD SERIES DESIGNATORNPT
TEMP ADJUSTABILITYNOT ADJUSTABLE
OPENING PRESSURE SETTINGERR-060
BULB LENGTH5.750 INCHES NOMINAL IN
SECOND END CONNECTION TYPETHREADED EXTERNAL PIPE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 7
25-712REVFPC13Interchangeable
interchangeable cross-reference
interchangeable
40XL3/4INCHInterchangeable
interchangeable cross-reference
interchangeable
40XLInterchangeable
interchangeable cross-reference
interchangeable
40XL-8 PSIInterchangeable
interchangeable cross-reference
interchangeable
M8Interchangeable
interchangeable cross-reference
interchangeable
40XL5M8 3-4-125Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 40XL-3/4IN.90PSI?
40XL-3/4IN.90PSI is a 40XL-3/4IN.90PSI.
What parts can replace 40XL-3/4IN.90PSI?
There are 7 known substitutes for 40XL-3/4IN.90PSI: 25-712REVFPC13, 40XL3/4INCH, 40XL and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 40XL-3/4IN.90PSI?
40XL-3/4IN.90PSI is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-849-9731. 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