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Technical Data Sheet
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4497220 ✓ 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 OVERALL, seating_surface_shape: FLAT, end_item_identification: NEWPORT NEWS SHIPBUILDING AND DRY DOCK COMPANY VENT VALVE MODEL NO. MBT.

This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-230-8955, 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
4497220
NSN: 4820-01-230-8955
FSC: 4820
CAGE: 80064 — NAVAL SHIP SYSTEMS COMMAND (USA)
SPECIFICATIONS
materialSTEEL OVERALL
special_featuresINCLUDES 3.500 IN. HULL INSERT PLATE,0.625 IN. THK C PLATE,0.375 IN. THK CHOCK 10 EACH,4.750 IN. DIA SHAFT HOUSING 0.375 IN. THK STOP SUPPORT 2 EACH,2.750 IN. DIA STOP 2 EACH IN
seating_surface_shapeFLAT
end_item_identificationNEWPORT NEWS SHIPBUILDING AND DRY DOCK COMPANY VENT VALVE MODEL NO. MBT
NSN4820-01-230-8955
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 4497220 · 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 OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALSTEEL OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 8
00725Interchangeable
interchangeable cross-reference
interchangeable
0725Interchangeable
interchangeable cross-reference
interchangeable
6002-164Interchangeable
interchangeable cross-reference
interchangeable
4497220Interchangeable
interchangeable cross-reference
interchangeable
4497220 ITEM 4Interchangeable
interchangeable cross-reference
interchangeable
6002-164 ITEM 2Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 4497220?
4497220 is a SEAT,VALVE.
What parts can replace 4497220?
There are 8 known substitutes for 4497220: 00725, 0725, 6002-164 and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 4497220?
4497220 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-230-8955. 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