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Technical Data Sheet
PartsTable / COMPONENT / GA520-523,TYPE C.522
GA520-523,TYPE C.522 ✓ 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 GA520-523,TYPE C.522 is a the manufacturer industrial component. This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-402-2435, 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
GA520-523,TYPE C.522
NSN: 4820-00-402-2435
FSC: 4820
CAGE: K7986 — IMI NORGREN SALES LTD (GBR)
SPECIFICATIONS
Part NumberGA520-523,TYPE C.522
NSN4820-00-402-2435
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: GA520-523,TYPE C.522 · 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
•
THREAD SERIES DESIGNATOR: NPT ALL ENDS
•
NOMINAL THREAD SIZE: 0.500 INCHES ALL ENDS IN
•
THREAD DIRECTION: RIGHT-HAND ALL ENDS
•
SUPPLEMENTARY FEATURES: FLOW CONTROL DEVICE: PLUG
•
STYLE DESIGNATOR: STRAIGHT THRU
•
CONNECTION STYLE: PLAIN, OPTIONAL END (PIPE) ALL ENDS
•
VALVE OPERATION METHOD: AUTOMATIC
•
MOUNTING POSITION: HORIZONTAL OR VERTICAL
TECHNICAL CHARACTERISTICS (FLIS)
THREAD SERIES DESIGNATORNPT ALL ENDS
NOMINAL THREAD SIZE0.500 INCHES ALL ENDS IN
THREAD DIRECTIONRIGHT-HAND ALL ENDS
SUPPLEMENTARY FEATURESFLOW CONTROL DEVICE: PLUG
STYLE DESIGNATORSTRAIGHT THRU
CONNECTION STYLEPLAIN, OPTIONAL END (PIPE) ALL ENDS
VALVE OPERATION METHODAUTOMATIC
MOUNTING POSITIONHORIZONTAL OR VERTICAL
CONNECTION TYPETHREADED INTERNAL PIPE ALL ENDS
VERIFIED SUBSTITUTES & CROSS-REFERENCES 4
C522Interchangeable
interchangeable cross-reference
interchangeable
3522Interchangeable
interchangeable cross-reference
interchangeable
V2334XInterchangeable
interchangeable cross-reference
interchangeable
184M4Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is GA520-523,TYPE C.522?
GA520-523,TYPE C.522 is a GA520-523,TYPE C.522.
What parts can replace GA520-523,TYPE C.522?
There are 4 known substitutes for GA520-523,TYPE C.522: C522, 3522, V2334X and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for GA520-523,TYPE C.522?
GA520-523,TYPE C.522 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-402-2435. 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