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PartsTable / COMPONENT / NS-3983 2IN
NS-3983 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 VALVE,CHECK is a the manufacturer industrial component. Key specifications include style_designator: STRAIGHT THRU, flow_control_device: DISK, valve_operation_method: AUTOMATIC, nominal_pipe_size_accommodated: 2.000 INCHES FIRST END IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-188-1213, 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-3983 2IN
NSN: 4820-01-188-1213
FSC: 4820
CAGE: 11836 — NATIONAL OILWELL (USA)
SPECIFICATIONS
style_designatorSTRAIGHT THRU
flow_control_deviceDISK
valve_operation_methodAUTOMATIC
nominal_pipe_size_accommodated2.000 INCHES FIRST END IN
NSN4820-01-188-1213
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: NS-3983 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
•
STYLE DESIGNATOR: STRAIGHT THRU
•
NOMINAL PIPE SIZE ACCOMMODATED: 2.000 INCHES FIRST END IN
•
VALVE OPERATION METHOD: AUTOMATIC
•
FLOW CONTROL DEVICE: DISK
TECHNICAL CHARACTERISTICS (FLIS)
STYLE DESIGNATORSTRAIGHT THRU
NOMINAL PIPE SIZE ACCOMMODATED2.000 INCHES FIRST END IN
VALVE OPERATION METHODAUTOMATIC
FLOW CONTROL DEVICEDISK
VERIFIED SUBSTITUTES & CROSS-REFERENCES 17
NS-3983 ASSY EInterchangeable
interchangeable cross-reference
interchangeable
NS-3983Interchangeable
interchangeable cross-reference
interchangeable
S90075/300413Interchangeable
interchangeable cross-reference
interchangeable
S90091/300480Interchangeable
interchangeable cross-reference
interchangeable
NS-3983 FIND 32Interchangeable
interchangeable cross-reference
interchangeable
NS3983PC24Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is NS-3983 2IN?
NS-3983 2IN is a VALVE,CHECK.
What parts can replace NS-3983 2IN?
There are 17 known substitutes for NS-3983 2IN: NS-3983 ASSY E, NS-3983, S90075/300413 and 14 more. Substitute compatibility should be verified for your specific system.
What is the NSN for NS-3983 2IN?
NS-3983 2IN is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-188-1213. 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