PartsTable
Technical Data Sheet
T335Y3/4 ✓ 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 T335Y3/4 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 4820-00-409-6329, 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
T335Y3/4
NSN: 4820-00-409-6329
FSC: 4820
CAGE: 12168 — NIBCO INC (USA)
SPECIFICATIONS
Part NumberT335Y3/4
NSN4820-00-409-6329
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS SIZE: — · — · — PN: T335Y3/4 · 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
MAXIMUM OPERATING TEMP: 150.0 FAHRENHEIT SECOND RESPONSE150.0 FAHRENHEIT SECOND RESPONSE DEGF
MATERIAL: PLASTIC POLYTETRAFLUOROETHYLENE FLOW CONTROL DEVICECOPPER ALLOY 836 BODY
BONNET ATTACHMENT METHOD: UNIONUNION
THREAD DIRECTION: RIGHT-HAND ALL ENDSRIGHT-HAND ALL ENDS
CONNECTION TYPE: THREADED INTERNAL PIPE ALL ENDSTHREADED INTERNAL PIPE ALL ENDS
SUPPLEMENTARY FEATURES: THIS ITEM HAS BEEN REVIEWED FOR ASBESTOS MATERIAL;THE CURRENT APPROVED SOURCES; 99017 HAVE INDICATED THEIR PART NUMBER CONTAINED ASBESTOS PRIOR TO 1984,THEY CONTINUE TO MANUFACTURE THE SAME PART NUMBER WITHOUT ASBESTOS MATERIAL AFTER 1984
BONNET TYPE: INSIDE SCREWINSIDE SCREW
MATERIAL DOCUMENT AND CLASSIFICATION: ASTM B-371 ALLOY C69400 ASSN STD SINGLE MATERIAL RESPONSE STEMASTM B-62 ASSN STD SINGLE MATERIAL RESPONSE BODY
TECHNICAL CHARACTERISTICS (FLIS)
MAXIMUM OPERATING TEMP150.0 FAHRENHEIT SECOND RESPONSE150.0 FAHRENHEIT SECOND RESPONSE DEGF
MATERIALPLASTIC POLYTETRAFLUOROETHYLENE FLOW CONTROL DEVICECOPPER ALLOY 836 BODY
BONNET ATTACHMENT METHODUNIONUNION
THREAD DIRECTIONRIGHT-HAND ALL ENDSRIGHT-HAND ALL ENDS
CONNECTION TYPETHREADED INTERNAL PIPE ALL ENDSTHREADED INTERNAL PIPE ALL ENDS
SUPPLEMENTARY FEATURESTHIS ITEM HAS BEEN REVIEWED FOR ASBESTOS MATERIAL;THE CURRENT APPROVED SOURCES; 99017 HAVE INDICATED THEIR PART NUMBER CONTAINED ASBESTOS PRIOR TO 1984,THEY CONTINUE TO MANUFACTURE THE SAME PART NUMBER WITHOUT ASBESTOS MATERIAL AFTER 1984
BONNET TYPEINSIDE SCREWINSIDE SCREW
MATERIAL DOCUMENT AND CLASSIFICATIONASTM B-371 ALLOY C69400 ASSN STD SINGLE MATERIAL RESPONSE STEMASTM B-62 ASSN STD SINGLE MATERIAL RESPONSE BODY
MATERIALPLASTIC POLYTETRAFLUOROETHYLENE PACKING
THREAD SERIES DESIGNATORNPT ALL ENDS
VERIFIED SUBSTITUTES & CROSS-REFERENCES 7
TX155Interchangeable
interchangeable cross-reference
interchangeable
5947Interchangeable
interchangeable cross-reference
interchangeable
18GET15Interchangeable
interchangeable cross-reference
interchangeable
359490Interchangeable
interchangeable cross-reference
interchangeable
D2081Interchangeable
interchangeable cross-reference
interchangeable
15622362Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is T335Y3/4?
T335Y3/4 is a T335Y3/4.
What parts can replace T335Y3/4?
There are 7 known substitutes for T335Y3/4: TX155, 5947, 18GET15 and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for T335Y3/4?
T335Y3/4 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-409-6329. This indicates validated use in U.S. government and defense supply chains.
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