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Technical Data Sheet
PartsTable / COMPONENT / 668275
668275 ✓ 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

VALVE,REGULATING,FLUID PRESSURE. Key specifications include color: WHITE, width: 3.000 INCHES NOMINAL IN, length: 4.000 YARDS NOMINAL, material: GLASS REINFORCED PLASTIC, setting_time: 7 MINUTES MINIMUM AND 20 MINUTES MAXIMUM, supply_package_type: PACKAGE. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-815-3610, 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
668275
NSN: 4820-00-815-3610
FSC: 4820
CAGE: 98897 — LOCKHEED MARTIN CORP (USA)
SPECIFICATIONS
colorWHITE
width3.000 INCHES NOMINAL IN
length4.000 YARDS NOMINAL
materialGLASS REINFORCED PLASTIC
setting_time7 MINUTES MINIMUM AND 20 MINUTES MAXIMUM
supply_package_typePACKAGE
input_voltage_rating174.0 AC VOLTS NOMINAL AND 220.0 AC VOLTS MAXIMUM SINGLE OPERATING POWER RQMT
impregnation_materialFIBERGLASS RESIN
output_current_rating10.0 DC AMPERES NOMINAL SINGLE POWER OUTPUT
output_voltage_rating425.0 DC VOLTS MAXIMUM SINGLE POWER OUTPUT
output_connection_typeRECEPTACLE, ELECTRICAL SINGLE POWER OUTPUT
output_connection_quantity1 SINGLE POWER OUTPUT
NSN4820-00-815-3610
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 668275 · 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
VERIFIED SUBSTITUTES & CROSS-REFERENCES 5
577104Interchangeable
interchangeable cross-reference
interchangeable
513269Interchangeable
interchangeable cross-reference
interchangeable
7345802Interchangeable
interchangeable cross-reference
interchangeable
DELTA-LITE SInterchangeable
interchangeable cross-reference
interchangeable
6813AInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 668275?
668275 is a VALVE,REGULATING,FLUID PRESSURE.
What parts can replace 668275?
There are 5 known substitutes for 668275: 577104, 513269, 7345802 and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 668275?
668275 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-815-3610. 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