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DD-4729 ✓ 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 phase: SINGLE, material: PLASTIC POLYTETRAFLUOROETHYLENE SEAT, valve_size: 3.000 INCHES IN, flange_shape: ROUND WITH HOLES ALL ENDS, connection_type: FLANGE ALL ENDS, connection_style: PLAIN (TUBE) 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 4820-01-487-8022, 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-4729
NSN: 4820-01-487-8022
FSC: 4820
CAGE: 53424 — CUNICO CORPORATION (USA)
SPECIFICATIONS
phaseSINGLE
materialPLASTIC POLYTETRAFLUOROETHYLENE SEAT
valve_size3.000 INCHES IN
flange_shapeROUND WITH HOLES ALL ENDS
connection_typeFLANGE ALL ENDS
connection_stylePLAIN (TUBE) ALL ENDS
style_designatorCROSS FLANGED ENDS
nominal_thickness0.500 INCHES ALL ENDS IN
bolt_hole_quantity8 ALL ENDS
flange_face_designPLAIN ALL ENDS
frequency_in_hertz60.0
operating_pressure150.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
NSN4820-01-487-8022
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: DD-4729 · 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 12
9540Interchangeable
interchangeable cross-reference
interchangeable
9080Interchangeable
interchangeable cross-reference
interchangeable
WE-3458Interchangeable
interchangeable cross-reference
interchangeable
6610Interchangeable
interchangeable cross-reference
interchangeable
8061Interchangeable
interchangeable cross-reference
interchangeable
430035Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is DD-4729?
DD-4729 is a VALVE,PLUG.
What parts can replace DD-4729?
There are 12 known substitutes for DD-4729: 9540, 9080, WE-3458 and 9 more. Substitute compatibility should be verified for your specific system.
What is the NSN for DD-4729?
DD-4729 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-487-8022. 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