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PartsTable / COMPONENT / N-11398 PIECE 3
N-11398 PIECE 3 ✓ 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 DISK,VALVE is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING, valve_size: 4.000 INCHES IN, valve_type: GATE, overall_length: 18.500 INCHES NOMINAL IN, end_item_identification: CVN NUCLEAR REACTOR BOUNDARY AREA, stem_actuating_end_type: ROUNDED. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-204-2537, 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
N-11398 PIECE 3
NSN: 4820-01-204-2537
FSC: 4820
CAGE: 63686 — THE WALWORTH COMPANY (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING
valve_size4.000 INCHES IN
valve_typeGATE
overall_length18.500 INCHES NOMINAL IN
end_item_identificationCVN NUCLEAR REACTOR BOUNDARY AREA
stem_actuating_end_typeROUNDED
valve_size_for_which_designed4.000 INCHES IN
valve_type_for_which_designedGATE
general_characteristics_item_descriptionCAST CARBON STEEL ASTEM A-216 WC B
part_name_assigned_by_controlling_agencyGLAND PLATE
NSN4820-01-204-2537
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: N-11398 PIECE 3 · 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 22
N-11398PIECE7-4INInterchangeable
interchangeable cross-reference
interchangeable
N-11398-1 PIECEInterchangeable
interchangeable cross-reference
interchangeable
N-11398PIECE7-4Interchangeable
interchangeable cross-reference
interchangeable
7586-39-YInterchangeable
interchangeable cross-reference
interchangeable
600287Interchangeable
interchangeable cross-reference
interchangeable
N-11398-1Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is N-11398 PIECE 3?
N-11398 PIECE 3 is a DISK,VALVE.
What parts can replace N-11398 PIECE 3?
There are 22 known substitutes for N-11398 PIECE 3: N-11398PIECE7-4IN, N-11398-1 PIECE, N-11398PIECE7-4 and 19 more. Substitute compatibility should be verified for your specific system.
What is the NSN for N-11398 PIECE 3?
N-11398 PIECE 3 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-204-2537. 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