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PartsTable / COMPONENT / 20261S0066
20261S0066 ✓ 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 TUNER,RADIO FREQUENCY is a the manufacturer industrial component. Key specifications include material: NICKEL ALLOY FLOW CONTROL DEVICE, connection_type: BUTT WELD PIPE ALL ENDS, connection_style: BEVELED (PIPE) ALL ENDS, style_designator: ANGLE, operating_pressure: 750.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS, flow_control_device: DISK. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-127-5117, 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
20261S0066
NSN: 4820-01-127-5117
FSC: 4820
CAGE: 15187 — EMERSON AUTOMATION SOLUTIONS FINAL CONTROL US LP DIV NAVY PRODUCT TEAM (USA)
SPECIFICATIONS
materialNICKEL ALLOY FLOW CONTROL DEVICE
connection_typeBUTT WELD PIPE ALL ENDS
connection_styleBEVELED (PIPE) ALL ENDS
style_designatorANGLE
operating_pressure750.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
flow_control_deviceDISK
valve_operation_methodAUTOMATIC
end_item_identificationLOS ANGELES CLASS SSN(688)
adjustable_pressure_range+66.0 TO 75.0 POUNDS PER SQUARE INCH LBS
nominal_pipe_size_accommodated2.500 INCHES ALL ENDS IN
NSN4820-01-127-5117
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 20261S0066 · 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
•
CONNECTION STYLE: BEVELED (PIPE) ALL ENDS
•
MATERIAL: COPPER ALLOY BODY
•
VALVE OPERATION METHOD: AUTOMATIC
•
CONNECTION TYPE: BUTT WELD PIPE ALL ENDS
•
FLOW CONTROL DEVICE: DISK
TECHNICAL CHARACTERISTICS (FLIS)
CONNECTION STYLEBEVELED (PIPE) ALL ENDS
MATERIALCOPPER ALLOY BODY
MATERIALNICKEL ALLOY FLOW CONTROL DEVICE
VALVE OPERATION METHODAUTOMATIC
CONNECTION TYPEBUTT WELD PIPE ALL ENDS
END ITEM IDENTIFICATIONLOS ANGELES CLASS SSN(688)
FLOW CONTROL DEVICEDISK
MATERIALSTEEL COMP 316 STEM
MATERIALNICKEL ALLOY SEAT
NOMINAL PIPE SIZE ACCOMMODATED2.500 INCHES ALL ENDS IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 15
2026-1Interchangeable
interchangeable cross-reference
interchangeable
8333231Interchangeable
interchangeable cross-reference
interchangeable
120Interchangeable
interchangeable cross-reference
interchangeable
X333386Interchangeable
interchangeable cross-reference
interchangeable
3800194Interchangeable
interchangeable cross-reference
interchangeable
261-32-08-199Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 20261S0066?
20261S0066 is a TUNER,RADIO FREQUENCY.
What parts can replace 20261S0066?
There are 15 known substitutes for 20261S0066: 2026-1, 8333231, 120 and 12 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 20261S0066?
20261S0066 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-127-5117. 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