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N-11398-1-3(4IN)PC9 — Technical Data Sheet

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— · 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 STEM,FLUID VALVE is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING, overall_length: 18.500 INCHES NOMINAL IN, end_item_identification: CVN NUCLEAR REACTOR BOUNDRY AREA., stem_actuating_end_type: ROUNDED, valve_size_for_which_designed: 4.000 INCHES IN, valve_type_for_which_designed: GATE. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System under NSN 4820-01-534-5902, 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-11398-1-3(4IN)PC9
NSN: 4820-01-534-5902
FSC: 4820
CAGE: 63686 — THE WALWORTH COMPANY (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING
overall_length18.500 INCHES NOMINAL IN
end_item_identificationCVN NUCLEAR REACTOR BOUNDRY AREA.
stem_actuating_end_typeROUNDED
valve_size_for_which_designed4.000 INCHES IN
valve_type_for_which_designedGATE
NSN4820-01-534-5902
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: N-11398-1-3(4IN)PC9 · 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
•
STEM ACTUATING END TYPE: ROUNDED
•
MATERIAL: STEEL CORROSION RESISTING
•
VALVE TYPE FOR WHICH DESIGNED: GATE
•
VALVE SIZE FOR WHICH DESIGNED: 4.000 INCHES IN
TECHNICAL CHARACTERISTICS
END ITEM IDENTIFICATIONCVN NUCLEAR REACTOR BOUNDRY AREA.
STEM ACTUATING END TYPEROUNDED
MATERIALSTEEL CORROSION RESISTING
VALVE TYPE FOR WHICH DESIGNEDGATE
VALVE SIZE FOR WHICH DESIGNED4.000 INCHES IN
OVERALL LENGTH18.500 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 23
N-11398PIECE7-4INInterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
N-11398-1 PIECEInterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
N-11398PIECE7-4InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
7586-39-YInterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
600287InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
N-11398 PIECE 3InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVEGOVERNMENT REGISTRY
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is N-11398-1-3(4IN)PC9?
N-11398-1-3(4IN)PC9 is a STEM,FLUID VALVE.
What parts can replace N-11398-1-3(4IN)PC9?
There are 23 known substitutes for N-11398-1-3(4IN)PC9: N-11398PIECE7-4IN, N-11398-1 PIECE, N-11398PIECE7-4 and 20 more. Substitute compatibility should be verified for your specific system.
What is the NSN for N-11398-1-3(4IN)PC9?
N-11398-1-3(4IN)PC9 is cataloged in the Federal Logistics Information System under NSN 4820-01-534-5902. 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: September 2026