PartsTable
Technical Data Sheet
PartsTable / COMPONENT / NC-4166
NC-4166 ✓ 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 SLEEVE,GOVERNOR SPRING is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING FLOW CONTROL DEVICE, bonnet_type: INSIDE SCREW, thread_class: 2B FIRST END, connection_type: THREADED INTERNAL TUBE FIRST END, connection_style: GASKET SEAL(BOSS) FIRST END, special_features: MODIFICATION MADE IN END CONNECTIONS,FROM 1/4 IN. NPT FEMALE,TO 3/8 IN.

SOCKET WELD BY 9/16-18 THD 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 4820-01-233-4771, 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
NC-4166
NSN: 4820-01-233-4771
FSC: 4820
CAGE: 82328 — DRESSER RAND CO TERRY CORP STEAM TURBINE MOTOR AND GENERATOR CO A JOINT VENTURE (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING FLOW CONTROL DEVICE
bonnet_typeINSIDE SCREW
thread_class2B FIRST END
connection_typeTHREADED INTERNAL TUBE FIRST END
connection_styleGASKET SEAL(BOSS) FIRST END
special_featuresMODIFICATION MADE IN END CONNECTIONS,FROM 1/4 IN. NPT FEMALE,TO 3/8 IN. SOCKET WELD BY 9/16-18 THD IN
style_designatorSTRAIGHT THRU
thread_directionRIGHT-HAND FIRST END
operating_pressure5000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
flow_control_deviceSTEM
nominal_thread_size0.562 INCHES FIRST END IN
maximum_operating_temp450.0 FAHRENHEIT SINGLE RESPONSE DEGF
NSN4820-01-233-4771
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: NC-4166 · 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
•
MATERIAL: STEEL BODY
•
STYLE DESIGNATOR: STRAIGHT THRU
•
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED: 0.375 INCHES FIRST END IN
•
CONNECTION STYLE: GASKET SEAL(BOSS) FIRST END
•
VALVE OPERATION METHOD: MANUAL
•
FLOW CONTROL DEVICE: STEM
•
CONNECTION TYPE: THREADED INTERNAL TUBE FIRST END
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALSTEEL BODY
STYLE DESIGNATORSTRAIGHT THRU
SPECIAL FEATURESMODIFICATION MADE IN END CONNECTIONS,FROM 1/4 IN. NPT FEMALE,TO 3/8 IN. SOCKET WELD BY 9/16-18 THD IN
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED0.375 INCHES FIRST END IN
CONNECTION STYLEGASKET SEAL(BOSS) FIRST END
VALVE OPERATION METHODMANUAL
FLOW CONTROL DEVICESTEM
CONNECTION TYPETHREADED INTERNAL TUBE FIRST END
BONNET ATTACHMENT METHODTHREADED
BONNET TYPEINSIDE SCREW
VERIFIED SUBSTITUTES & CROSS-REFERENCES 22
NH7025 PIECE 869Interchangeable
interchangeable cross-reference
interchangeable
869ND5037Interchangeable
interchangeable cross-reference
interchangeable
714045Interchangeable
interchangeable cross-reference
interchangeable
NH6425PC416Interchangeable
interchangeable cross-reference
interchangeable
416ND6282Interchangeable
interchangeable cross-reference
interchangeable
ND-6282-BInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
Ready to buy NC-4166?
Compare prices from verified sellers on eBay
Buy on eBay →
As an eBay Partner, PartsTable may earn a commission. Your price is not affected.
FREQUENTLY ASKED QUESTIONS
What is NC-4166?
NC-4166 is a SLEEVE,GOVERNOR SPRING.
What parts can replace NC-4166?
There are 22 known substitutes for NC-4166: NH7025 PIECE 869, 869ND5037, 714045 and 19 more. Substitute compatibility should be verified for your specific system.
What is the NSN for NC-4166?
NC-4166 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-233-4771. This indicates validated use in U.S. government and defense supply chains.
Community Feedback
Comments (0)
No comments yet. Be the first to share what you know.
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — NC-4166

✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026