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Technical Data Sheet
PartsTable / COMPONENT / 363 1 1/2IN
363 1 1/2IN ✓ 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 363 1 1/2IN 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 4820-01-230-3493, 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
363 1 1/2IN
NSN: 4820-01-230-3493
FSC: 4820
CAGE: 63220 — FLOWSERVE INC (USA)
SPECIFICATIONS
Part Number363 1 1/2IN
NSN4820-01-230-3493
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 363 1 1/2IN · 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
•
BOLT HOLE QUANTITY: 4
•
BONNET TYPE: OUTSIDE SCREW-YOKE
•
PRESSURE CLASS: ERR-060
•
MAXIMUM OPERATING TEMP AND MEDIA FOR WHICH DESIGNED: 1000.0 FAHRENHEIT STEAM AND 100.0 FAHRENHEIT WATER-OIL-GAS DEGF
•
STEM TYPE: RISING
•
MATERIAL DOCUMENT AND CLASSIFICATION: ASTM A105 ASSN STD SINGLE MATERIAL RESPONSE BODY
•
MATERIAL: STEEL UNS K03504 BODY
TECHNICAL CHARACTERISTICS (FLIS)
BOLT HOLE QUANTITY4
BONNET TYPEOUTSIDE SCREW-YOKE
PRESSURE CLASSERR-060
MAXIMUM OPERATING TEMP AND MEDIA FOR WHICH DESIGNED1000.0 FAHRENHEIT STEAM AND 100.0 FAHRENHEIT WATER-OIL-GAS DEGF
STEM TYPERISING
MATERIAL DOCUMENT AND CLASSIFICATIONASTM A105 ASSN STD SINGLE MATERIAL RESPONSE BODY
SPECIAL FEATURESSOLID WEDGE; HARD FACED SEATS; CONVENTIONAL PORT; CARBON STEEL TRIM
MATERIALSTEEL UNS K03504 BODY
FLANGE FACE DESIGNRAISED
FACE TO FACE DISTANCE7.500 INCHES IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 3
363Interchangeable
interchangeable cross-reference
interchangeable
363 1-1/2 IN. WInterchangeable
interchangeable cross-reference
interchangeable
363 1-1/2 IN.Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 363 1 1/2IN?
363 1 1/2IN is a 363 1 1/2IN.
What parts can replace 363 1 1/2IN?
There are 3 known substitutes for 363 1 1/2IN: 363, 363 1-1/2 IN. W, 363 1-1/2 IN.. Substitute compatibility should be verified for your specific system.
What is the NSN for 363 1 1/2IN?
363 1 1/2IN is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-230-3493. 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