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Technical Data Sheet
PartsTable / COMPONENT / NS-3205-2 1/2IN
NS-3205-2 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 NS-3205-2 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 4820-01-141-8559, 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
NS-3205-2 1/2IN
NSN: 4820-01-141-8559
FSC: 4820
CAGE: 11836 — NATIONAL OILWELL (USA)
SPECIFICATIONS
Part NumberNS-3205-2 1/2IN
NSN4820-01-141-8559
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: NS-3205-2 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
•
MOUNTING POSITION: HORIZONTAL
•
MATERIAL: NICKEL ALLOY OVERALL
•
FLANGE FACE DESIGN: PLAIN ALL ENDS
•
NOMINAL THICKNESS: 0.938 INCHES ALL ENDS IN
•
BOLT HOLE NOMINAL DIAMETER: 0.688 INCHES ALL ENDS IN
•
OPERATING PRESSURE: 700.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
•
FLANGE SHAPE: ROUND WITH HOLES ALL ENDS
•
BOLT HOLE QUANTITY: 6 ALL ENDS
TECHNICAL CHARACTERISTICS (FLIS)
MOUNTING POSITIONHORIZONTAL
MATERIALNICKEL ALLOY OVERALL
FLANGE FACE DESIGNPLAIN ALL ENDS
NOMINAL THICKNESS0.938 INCHES ALL ENDS IN
BOLT HOLE NOMINAL DIAMETER0.688 INCHES ALL ENDS IN
OPERATING PRESSURE700.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
FLANGE SHAPEROUND WITH HOLES ALL ENDS
BOLT HOLE QUANTITY6 ALL ENDS
CONNECTION TYPEFLANGE ALL ENDS
VALVE SIZE2.500 INCHES IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 8
NS3205 3INInterchangeable
interchangeable cross-reference
interchangeable
NS3205Interchangeable
interchangeable cross-reference
interchangeable
NS3205 PIECE 2 2 1/2INInterchangeable
interchangeable cross-reference
interchangeable
NLT300-7Interchangeable
interchangeable cross-reference
interchangeable
NS3205 2 1/2INInterchangeable
interchangeable cross-reference
interchangeable
90041-000Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is NS-3205-2 1/2IN?
NS-3205-2 1/2IN is a NS-3205-2 1/2IN.
What parts can replace NS-3205-2 1/2IN?
There are 8 known substitutes for NS-3205-2 1/2IN: NS3205 3IN, NS3205, NS3205 PIECE 2 2 1/2IN and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for NS-3205-2 1/2IN?
NS-3205-2 1/2IN is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-141-8559. 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