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PartsTable / COMPONENT / DD-4525 ITEM NO 2
DD-4525 ITEM NO 2 ✓ 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 PLUG,ROTARY,VALVE is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY, port_shape: ROUND, plug_design: CYLINDRICAL, end_item_identification: 4820-01-522-1664 PLUG VALVE, material_document_and_classification: ASTM-B61 ASSN STD SINGLE MATERIAL RESPONSE. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-522-1684, 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
DD-4525 ITEM NO 2
NSN: 4820-01-522-1684
FSC: 4820
CAGE: 53424 — CUNICO CORPORATION (USA)
SPECIFICATIONS
materialCOPPER ALLOY
port_shapeROUND
plug_designCYLINDRICAL
port_quantity2
end_item_identification4820-01-522-1664 PLUG VALVE
material_document_and_classificationASTM-B61 ASSN STD SINGLE MATERIAL RESPONSE
NSN4820-01-522-1684
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: DD-4525 ITEM NO 2 · 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 DOCUMENT AND CLASSIFICATION: ASTM-B61 ASSN STD SINGLE MATERIAL RESPONSE
•
MATERIAL: COPPER ALLOY
•
PLUG DESIGN: CYLINDRICAL
•
PORT SHAPE: ROUND
•
PORT QUANTITY: 2
TECHNICAL CHARACTERISTICS (FLIS)
END ITEM IDENTIFICATION4820-01-522-1664 PLUG VALVE
MATERIAL DOCUMENT AND CLASSIFICATIONASTM-B61 ASSN STD SINGLE MATERIAL RESPONSE
MATERIALCOPPER ALLOY
PLUG DESIGNCYLINDRICAL
PORT SHAPEROUND
PORT QUANTITY2
VERIFIED SUBSTITUTES & CROSS-REFERENCES 14
9041Interchangeable
interchangeable cross-reference
interchangeable
9230-8784Interchangeable
interchangeable cross-reference
interchangeable
19910-4ALTAInterchangeable
interchangeable cross-reference
interchangeable
XA1017Interchangeable
interchangeable cross-reference
interchangeable
CW-860/GPSInterchangeable
interchangeable cross-reference
interchangeable
548-1INInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is DD-4525 ITEM NO 2?
DD-4525 ITEM NO 2 is a PLUG,ROTARY,VALVE.
What parts can replace DD-4525 ITEM NO 2?
There are 14 known substitutes for DD-4525 ITEM NO 2: 9041, 9230-8784, 19910-4ALTA and 11 more. Substitute compatibility should be verified for your specific system.
What is the NSN for DD-4525 ITEM NO 2?
DD-4525 ITEM NO 2 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-522-1684. 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