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C4759 ✓ Verified by PartsTable
— · COMPONENT
WHAT YOU NEED TO KNOW
Verify manufacturer and server generation compatibility Check if Option PN or Spare PN — same part, different channel
Confirm exact part number — similar PNs may be different parts
PRODUCT OVERVIEW

The DISK,VALVE is a the manufacturer industrial component. Key specifications include material: STEEL, seat_radius: 0.250 INCHES NOMINAL IN, temp_rating: 775.0 FAHRENHEIT NOMINAL DEGF, thread_class: 2A SINGLE THREADED PORTION A, thread_length: 0.500 INCHES NOMINAL SINGLE THREADED PORTION IN, flange_diameter: 6.188 INCHES NOMINAL 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 4470-00-889-2455, 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
C4759
NSN: 4470-00-889-2455
FSC: 4470
CAGE: 85130 — FLOWSERVE CORPORATION DIV FLOWSERVE US INC (USA)
SPECIFICATIONS
materialSTEEL
seat_radius0.250 INCHES NOMINAL IN
temp_rating775.0 FAHRENHEIT NOMINAL DEGF
thread_class2A SINGLE THREADED PORTION A
thread_length0.500 INCHES NOMINAL SINGLE THREADED PORTION IN
flange_diameter6.188 INCHES NOMINAL IN
pressure_rating285.0 POUNDS PER SQUARE INCH (PSI) NOMINAL LBS
style_designatorSOLID WEDGE
nominal_thread_size5.750 INCHES SINGLE THREADED PORTION IN
under_flange_height2.250 INCHES NOMINAL IN
seating_surface_shapeRADIAL
end_item_identificationP.J.VALVE INC. GATE VALVE,MODEL 1 1/2-2CAM
NSN4470-00-889-2455
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available DISK,VALVE TITLE COMPONENT PN C4759 MFR DISK,VALVE
KEY FEATURES
•
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS: MATERIAL WILL BE IN ACCORDANCE WITH NAVICP MECH; ACTIVITY HX QUALITY CONTROL, MANUFACTURING AND TESTING SPECIFICATIONS.
•
CRITICALITY CODE JUSTIFICATION: ZZZY
TECHNICAL CHARACTERISTICS (FLIS)
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICSMATERIAL WILL BE IN ACCORDANCE WITH NAVICP MECH; ACTIVITY HX QUALITY CONTROL, MANUFACTURING AND TESTING SPECIFICATIONS.
CRITICALITY CODE JUSTIFICATIONZZZY
VERIFIED SUBSTITUTES & CROSS-REFERENCES 9
C2820PC11Interchangeable
interchangeable cross-reference
interchangeable
C4759BInterchangeable
interchangeable cross-reference
interchangeable
3230203 PIECE 11Interchangeable
interchangeable cross-reference
interchangeable
B2579Interchangeable
interchangeable cross-reference
interchangeable
D2334Interchangeable
interchangeable cross-reference
interchangeable
D2334 PIECE 40 1 1/2INInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is C4759?
C4759 is a DISK,VALVE.
What parts can replace C4759?
There are 9 known substitutes for C4759: C2820PC11, C4759B, 3230203 PIECE 11 and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for C4759?
C4759 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4470-00-889-2455. 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