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Technical Data Sheet
PartsTable / COMPONENT / CGA-540-OXY
CGA-540-OXY ✓ 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 material: COPPER ALLOY BODY, special_features: WITH FLOWMETER, end_item_identification: DECK SHELTER PORTABLE CALIBRATION KIT FOR PARTIAL O2 AND CO2 MONITORS. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-325-1452, 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
CGA-540-OXY
NSN: 4820-01-325-1452
FSC: 4820
CAGE: U7709 — MCNAUGHTON DYNAMICS LIMITED (GBR)
SPECIFICATIONS
materialCOPPER ALLOY BODY
special_featuresWITH FLOWMETER
end_item_identificationDECK SHELTER PORTABLE CALIBRATION KIT FOR PARTIAL O2 AND CO2 MONITORS
NSN4820-01-325-1452
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: CGA-540-OXY · 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: COPPER ALLOY BODY
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALCOPPER ALLOY BODY
END ITEM IDENTIFICATIONDECK SHELTER PORTABLE CALIBRATION KIT FOR PARTIAL O2 AND CO2 MONITORS
SPECIAL FEATURESWITH FLOWMETER
VERIFIED SUBSTITUTES & CROSS-REFERENCES 9
473000388Interchangeable
interchangeable cross-reference
interchangeable
CGA540Interchangeable
interchangeable cross-reference
interchangeable
2340-5402Interchangeable
interchangeable cross-reference
interchangeable
N876AInterchangeable
interchangeable cross-reference
interchangeable
415-1Interchangeable
interchangeable cross-reference
interchangeable
516-6295520-IT2Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is CGA-540-OXY?
CGA-540-OXY is a VALVE,REGULATING,FLUID PRESSURE.
What parts can replace CGA-540-OXY?
There are 9 known substitutes for CGA-540-OXY: 473000388, CGA540, 2340-5402 and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for CGA-540-OXY?
CGA-540-OXY is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-325-1452. 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