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N-11398 ✓ 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 STEM,FLUID 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 4820-01-056-4743, 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
NSN: 4820-01-056-4743
FSC: 4820
CAGE: 95995 — WALWORTH CO THE (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
NSN4820-01-056-4743
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: N-11398 · 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
•
GENERAL CHARACTERISTICS ITEM DESCRIPTION: CAST CARBON STEEL ASTEM A-216 WC B
TECHNICAL CHARACTERISTICS (FLIS)
GENERAL CHARACTERISTICS ITEM DESCRIPTIONCAST CARBON STEEL ASTEM A-216 WC B
END ITEM IDENTIFICATIONWALWORTH CO. 4 IN 150 LBS CAST STEEL @OSY WEDGE GATE VALVE DWG NO. N-11398 LBS
VERIFIED SUBSTITUTES & CROSS-REFERENCES 25
9077-002-087Interchangeable
interchangeable cross-reference
interchangeable
C1-1DInterchangeable
interchangeable cross-reference
interchangeable
MC-022-F ITEM 2Interchangeable
interchangeable cross-reference
interchangeable
7586-39-YInterchangeable
interchangeable cross-reference
interchangeable
600287Interchangeable
interchangeable cross-reference
interchangeable
N-11398 PIECE 3Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is N-11398?
N-11398 is a STEM,FLUID VALVE.
What parts can replace N-11398?
There are 25 known substitutes for N-11398: 9077-002-087, C1-1D, MC-022-F ITEM 2 and 22 more. Substitute compatibility should be verified for your specific system.
What is the NSN for N-11398?
N-11398 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-056-4743. 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