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DD-4525 ✓ 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 VALVE,PLUG is a the manufacturer industrial component. Key specifications include material: BRONZE BODY, flow_style: TWO-WAY TWO PORT 90 DEGREE PLUG TURN, port_shape: ROUND, plug_design: CYLINDRICAL, flange_shape: ROUND WITH HOLES ALL ENDS, connection_type: FLANGE ALL ENDS. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-487-4950, 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
NSN: 4820-01-487-4950
FSC: 4820
CAGE: 53424 — CUNICO CORPORATION (USA)
SPECIFICATIONS
materialBRONZE BODY
flow_styleTWO-WAY TWO PORT 90 DEGREE PLUG TURN
port_shapeROUND
plug_designCYLINDRICAL
flange_shapeROUND WITH HOLES ALL ENDS
port_quantity2
connection_typeFLANGE ALL ENDS
nominal_thickness0.812 INCHES ALL ENDS IN
bolt_hole_quantity6 ALL ENDS
flange_face_designPLAIN ALL ENDS
operating_pressure150.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
valve_operation_methodMANUAL
NSN4820-01-487-4950
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: DD-4525 · 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 7
FRP-2 1-1/2IN/CFV-20766-001Interchangeable
interchangeable cross-reference
interchangeable
DD-4525Interchangeable
interchangeable cross-reference
interchangeable
CFV-20766-001Interchangeable
interchangeable cross-reference
interchangeable
9041Interchangeable
interchangeable cross-reference
interchangeable
DD-4525 ITEM NO 2Interchangeable
interchangeable cross-reference
interchangeable
DD-1525Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is DD-4525?
DD-4525 is a VALVE,PLUG.
What parts can replace DD-4525?
There are 7 known substitutes for DD-4525: FRP-2 1-1/2IN/CFV-20766-001, DD-4525, CFV-20766-001 and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for DD-4525?
DD-4525 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-487-4950. 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