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PartsTable / COMPONENT / 4450 FLGPC19
4450 FLGPC19 ✓ 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: STEEL CORROSION RESISTING OVERALL. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-137-5906, 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
4450 FLGPC19
NSN: 4820-01-137-5906
FSC: 4820
CAGE: 70642 — ATKOMATIC VALVE CO INC (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING OVERALL
NSN4820-01-137-5906
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 4450 FLGPC19 · 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: STEEL CORROSION RESISTING OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALSTEEL CORROSION RESISTING OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 18
Y196Interchangeable
interchangeable cross-reference
interchangeable
AS22520Interchangeable
interchangeable cross-reference
interchangeable
227-1221-03Interchangeable
interchangeable cross-reference
interchangeable
WPP2620Interchangeable
interchangeable cross-reference
interchangeable
18801Interchangeable
interchangeable cross-reference
interchangeable
B1498DInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 4450 FLGPC19?
4450 FLGPC19 is a SEAT,VALVE.
What parts can replace 4450 FLGPC19?
There are 18 known substitutes for 4450 FLGPC19: Y196, AS22520, 227-1221-03 and 15 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 4450 FLGPC19?
4450 FLGPC19 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-137-5906. 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