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PartsTable / COMPONENT / DD-1633 4IN FRP
DD-1633 4IN FRP ✓ 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. This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-258-2699, 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-1633 4IN FRP
NSN: 4820-01-258-2699
FSC: 4820
CAGE: 53424 — CUNICO CORPORATION (USA)
SPECIFICATIONS
Part NumberDD-1633 4IN FRP
NSN4820-01-258-2699
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: DD-1633 4IN FRP · 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 10
9066Interchangeable
interchangeable cross-reference
interchangeable
DD4686 REF NO 2 P/N 9066Interchangeable
interchangeable cross-reference
interchangeable
DD-1633Interchangeable
interchangeable cross-reference
interchangeable
9017Interchangeable
interchangeable cross-reference
interchangeable
DD-1633 PIECE 2 P/N 9017Interchangeable
interchangeable cross-reference
interchangeable
DD-4633 REF NO 2Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is DD-1633 4IN FRP?
DD-1633 4IN FRP is a VALVE,PLUG.
What parts can replace DD-1633 4IN FRP?
There are 10 known substitutes for DD-1633 4IN FRP: 9066, DD4686 REF NO 2 P/N 9066, DD-1633 and 7 more. Substitute compatibility should be verified for your specific system.
What is the NSN for DD-1633 4IN FRP?
DD-1633 4IN FRP is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-258-2699. 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