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PartsTable / COMPONENT / 1990T-1/2X1-36-50PSI
1990T-1/2X1-36-50PSI ✓ 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 1990T-1/2X1-36-50PSI 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 4820-00-287-3139, 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
1990T-1/2X1-36-50PSI
NSN: 4820-00-287-3139
FSC: 4820
CAGE: 16497 — DRESSER, INC. DBA DRESSER EQUIPMENT GROUP DIV INDUSTRIAL VALVE OPERATIONS, DRESSE (USA)
SPECIFICATIONS
Part Number1990T-1/2X1-36-50PSI
NSN4820-00-287-3139
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 1990T-1/2X1-36-50PSI · 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
•
VALVE DISCHARGE FLOW RATE: 93.0 POUNDS PER HOUR LBS
•
ADJUSTABLE PRESSURE RANGE: +33.0 TO 55.0 POUNDS PER SQUARE INCH LBS
•
DISK LOADING METHOD: SPRING
•
CONNECTION STYLE: SOCKET ALL ENDS
•
MAXIMUM OPERATING TEMP: 800.0 FAHRENHEIT SINGLE RESPONSE DEGF
•
MATERIAL: STEEL COMP 316 FLOW CONTROL DEVICE
•
MINIMUM OPERATING TEMP: 401.0 FAHRENHEIT DEGF
•
NOMINAL PIPE SIZE ACCOMMODATED: 0.500 INCHES SECOND END IN
TECHNICAL CHARACTERISTICS (FLIS)
VALVE DISCHARGE FLOW RATE93.0 POUNDS PER HOUR LBS
ADJUSTABLE PRESSURE RANGE+33.0 TO 55.0 POUNDS PER SQUARE INCH LBS
DISK LOADING METHODSPRING
CONNECTION STYLESOCKET ALL ENDS
MAXIMUM OPERATING TEMP800.0 FAHRENHEIT SINGLE RESPONSE DEGF
MATERIALSTEEL COMP 316 FLOW CONTROL DEVICE
MINIMUM OPERATING TEMP401.0 FAHRENHEIT DEGF
NOMINAL PIPE SIZE ACCOMMODATED0.500 INCHES SECOND END IN
CONNECTION TYPEUNTHREADED INTERNAL PIPE ALL ENDS
MEDIA FOR WHICH DESIGNEDSTEAM SINGLE RESPONSE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 17
2915Interchangeable
interchangeable cross-reference
interchangeable
94Interchangeable
interchangeable cross-reference
interchangeable
T-10569Interchangeable
interchangeable cross-reference
interchangeable
75097 PIECE 9Interchangeable
interchangeable cross-reference
interchangeable
442701Interchangeable
interchangeable cross-reference
interchangeable
3001990Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 1990T-1/2X1-36-50PSI?
1990T-1/2X1-36-50PSI is a 1990T-1/2X1-36-50PSI.
What parts can replace 1990T-1/2X1-36-50PSI?
There are 17 known substitutes for 1990T-1/2X1-36-50PSI: 2915, 94, T-10569 and 14 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 1990T-1/2X1-36-50PSI?
1990T-1/2X1-36-50PSI is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-287-3139. 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