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Technical Data Sheet
PartsTable / COMPONENT / 045051DB
045051DB ✓ 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 SEAT,VALVE is a the manufacturer industrial component. Key specifications include material: NICKEL ALLOY SEAT. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-099-3727, 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
045051DB
NSN: 4820-01-099-3727
FSC: 4820
CAGE: 54716 — HYDRASEARCH CO., INC. DBA USE CAGE CODE 32142 FOR CATALOGING (USA)
SPECIFICATIONS
materialNICKEL ALLOY SEAT
NSN4820-01-099-3727
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 045051DB · 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: NICKEL ALLOY SEAT
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALNICKEL ALLOY SEAT
VERIFIED SUBSTITUTES & CROSS-REFERENCES 14
40174Interchangeable
interchangeable cross-reference
interchangeable
648698Interchangeable
interchangeable cross-reference
interchangeable
402-3703Interchangeable
interchangeable cross-reference
interchangeable
C4581PL990 1-2IInterchangeable
interchangeable cross-reference
interchangeable
A6SI51-3Interchangeable
interchangeable cross-reference
interchangeable
570-3PL3737Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 045051DB?
045051DB is a SEAT,VALVE.
What parts can replace 045051DB?
There are 14 known substitutes for 045051DB: 40174, 648698, 402-3703 and 11 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 045051DB?
045051DB is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-099-3727. 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