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6KC66-4 — CARTRIDGE,CHECK VALVE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

6KC66-4: CARTRIDGE,CHECK VALVE.

The CARTRIDGE,CHECK VALVE is a the manufacturer industrial component. Key specifications include material: NICKEL ALLOY, valve_size: 0.750 INCHES IN, port_diameter: 0.625 INCHES NOMINAL IN, operating_pressure: 6000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LBS, maximum_operating_temp: 230.0 FAHRENHEIT DEGF, thread_size_and_series/type_designator: 3/4-14 NPT. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-184-4502, 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
6KC66-4
NSN: 4820-01-184-4502
FSC: 4820 — Valves, Nonpowered
CAGE: 32142 — HYDRASEARCH COMPANY, LLC (USA)
SPECIFICATIONS
materialNICKEL ALLOY
valve_size0.750 INCHES IN
port_diameter0.625 INCHES NOMINAL IN
operating_pressure6000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LBS
maximum_operating_temp230.0 FAHRENHEIT DEGF
thread_size_and_series/type_designator3/4-14 NPT
NSN4820-01-184-4502
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 6KC66-4 · 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
•
PORT DIAMETER: 0.625 INCHES NOMINAL IN
•
OPERATING PRESSURE: 6000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LBS
•
VALVE SIZE: 0.750 INCHES IN
•
MAXIMUM OPERATING TEMP: 230.0 FAHRENHEIT DEGF
•
MATERIAL: NICKEL ALLOY
•
THREAD SIZE AND SERIES/TYPE DESIGNATOR: 3/4-14 NPT
TECHNICAL CHARACTERISTICS
PORT DIAMETER0.625 INCHES NOMINAL IN
OPERATING PRESSURE6000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LBS
VALVE SIZE0.750 INCHES IN
MAXIMUM OPERATING TEMP230.0 FAHRENHEIT DEGF
MATERIALNICKEL ALLOY
THREAD SIZE AND SERIES/TYPE DESIGNATOR3/4-14 NPT
OTHER ITEMS IN FSC 4820 — Valves, Nonpowered
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
4820-00-000-0097 4820-00-001-0010 4820-00-001-0020 4820-00-001-0021 4820-00-001-0032 4820-00-001-0037 4820-00-001-0042 4820-00-001-1230
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 6KC66-4?
6KC66-4 is a CARTRIDGE,CHECK VALVE.
What is the NSN for 6KC66-4?
6KC66-4 is cataloged in the U.S. Government catalog under NSN 4820-01-184-4502. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.