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Technical Data Sheet
PartsTable / COMPONENT / 3255 1/2 IN
3255 1/2 IN ✓ 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 3255 1/2 IN is a the manufacturer industrial component. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-147-2818, 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
3255 1/2 IN
NSN: 4820-01-147-2818
FSC: 4820
CAGE: 19243 — ITT FLUID TECHNOLOGY CORP ITT ENGINEERED VALVES DIV (USA)
SPECIFICATIONS
Part Number3255 1/2 IN
NSN4820-01-147-2818
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 3255 1/2 IN · 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
•
MEDIA FOR WHICH DESIGNED: WATER-OIL-GAS FIRST RESPONSE
•
STYLE DESIGNATOR: STRAIGHT THRU
•
MATERIAL: COPPER ALLOY 694 STEM
•
NOMINAL THREAD SIZE: 0.500 INCHES ALL ENDS IN
•
OPERATING PRESSURE: 600.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM FIRST RESPONSE LBS
•
FLOW CONTROL DEVICE: DISK
•
BONNET ATTACHMENT METHOD: UNION
TECHNICAL CHARACTERISTICS (FLIS)
MEDIA FOR WHICH DESIGNEDWATER-OIL-GAS FIRST RESPONSE
STYLE DESIGNATORSTRAIGHT THRU
MATERIALCOPPER ALLOY 694 STEM
NOMINAL THREAD SIZE0.500 INCHES ALL ENDS IN
OPERATING PRESSURE600.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM FIRST RESPONSE LBS
MATERIALPLASTIC POLYTETRAFLUOROETHYLENE PACKING
FLOW CONTROL DEVICEDISK
BONNET ATTACHMENT METHODUNION
MAXIMUM OPERATING TEMP550.0 FAHRENHEIT SINGLE RESPONSE DEGF
CONNECTION STYLEPLAIN,OPTIONAL END(PIPE) ALL ENDS
VERIFIED SUBSTITUTES & CROSS-REFERENCES 16
03312Interchangeable
interchangeable cross-reference
interchangeable
5028-155Interchangeable
interchangeable cross-reference
interchangeable
FIG362EInterchangeable
interchangeable cross-reference
interchangeable
2230644Interchangeable
interchangeable cross-reference
interchangeable
48063059-000Interchangeable
interchangeable cross-reference
interchangeable
9053907Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 3255 1/2 IN?
3255 1/2 IN is a 3255 1/2 IN.
What parts can replace 3255 1/2 IN?
There are 16 known substitutes for 3255 1/2 IN: 03312, 5028-155, FIG362E and 13 more. Substitute compatibility should be verified for your specific system.
Is 3255 1/2 IN still available?
3255 1/2 IN is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026