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PartsTable / COMPONENT / DD-4729 ITEM NO 4
DD-4729 ITEM NO 4 ✓ 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 RETAINER,SEAT,VALVE is a the manufacturer industrial component. Key specifications include color: BLACK, width: 0.250 INCHES IN, material: PLASTIC POLYAMIDE NYLON LOCATION NOT OTHERWISE SPECIFIED, body_width: 1.812 INCHES NOMINAL IN, body_height: 2.750 INCHES NOMINAL IN, body_length: 1.938 INCHES NOMINAL IN. 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 ITEM NO 4
NSN: 4820-01-487-8022
FSC: 4820
CAGE: 53424 — CUNICO CORPORATION (USA)
SPECIFICATIONS
colorBLACK
width0.250 INCHES IN
materialPLASTIC POLYAMIDE NYLON LOCATION NOT OTHERWISE SPECIFIED
body_width1.812 INCHES NOMINAL IN
body_height2.750 INCHES NOMINAL IN
body_length1.938 INCHES NOMINAL IN
denomination50.0 POUNDS LBS
machine_typeNONPORTABLE ELECTRIC
specific_useRECORD TYPING
inclosure_typeHERMETICALLY SEALED
overall_height3.250 INCHES NOMINAL IN
weight_marking50 LB 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 ITEM NO 4 · 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 ITEM NO 4?
DD-4729 ITEM NO 4 is a RETAINER,SEAT,VALVE.
What parts can replace DD-4729 ITEM NO 4?
There are 12 known substitutes for DD-4729 ITEM NO 4: 9540, 9080, WE-3458 and 9 more. Substitute compatibility should be verified for your specific system.
What is the NSN for DD-4729 ITEM NO 4?
DD-4729 ITEM NO 4 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