PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

N-11398-1 PIECE 5 6INSeat,valve

The Walworth Company · NSN 4820-01-114-4573 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-114-4573 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-114-4573. Primary manufacturer part number: N-11398-1 PIECE 5 6IN.
Features
  • Seat,valve — FSC 4820
  • 4 verified cross-references
  • Primary manufacturer: The Walworth Company
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Seat,valve, cataloged under National Stock Number 4820-01-114-4573, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is The Walworth Company. This item has 4 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameSeat,valve
FSC / FSG4820 — No Item Name Available (FSG 48)
ManufacturersThe Walworth Company (CAGE 63686); Walworth Co Marine Div (CAGE 90664)
Technical Specifications
ParameterValue
NSN4820-01-114-4573
Primary Part NumberN-11398-1 PIECE 5 6IN
Item NameSeat,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerThe Walworth Company
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
4820-00-419-04561503N-3IN/C-055831REV0/882049859 INTERCHANGEABLE
Valve,gate
William Powell Company, the Dba Powell Valve Div the Starflo Corporation
4820-01-073-5848600287 INTERCHANGEABLE
Seat,valve
Twc-Thevalve Company
5365-01-114-5949N-11398-1 PIECE 12 6IN INTERCHANGEABLE
Bushing,bonnet,valve
The Walworth Company
4820-01-157-0005N-11398-1 PC2 3IN INTERCHANGEABLE
Cap,valve
The Walworth Company
4820-01-160-5932 INTERCHANGEABLE
Disk,valve
4820-01-170-9220N-11398-1 PIECE 11 6IN INTERCHANGEABLE
Plate,packing Retainer
The Walworth Company
4820-01-234-79167589-39-1 INTERCHANGEABLE
Seat,valve
The Walworth Company
4820-01-234-79707515-8-15-1 INTERCHANGEABLE
Stem,fluid Valve
The Walworth Company
4820-01-234-80837515-5-Y-HF INTERCHANGEABLE
Disk,valve
The Walworth Company
4820-01-459-40400600127 INTERCHANGEABLE
Disk,valve
The Walworth Company
Cross-Reference Index
Part NumberManufacturer
N-11398-1 PIECE 5 6IN The Walworth Company (USA)
CD-55299 Walworth Co Marine Div (USA)
700663272 Walworth Co Marine Div (USA)
N-11398-1 The Walworth Company (USA)
Related Parts
4820-00-419-0456INTERCHANGEABLE
VALVE,GATE
1503N-3IN/C-055831REV0/882049859
4820-01-073-5848INTERCHANGEABLE
SEAT,VALVE
600287
5365-01-114-5949INTERCHANGEABLE
BUSHING,BONNET,VALVE
N-11398-1 PIECE 12 6IN
4820-01-157-0005INTERCHANGEABLE
CAP,VALVE
N-11398-1 PC2 3IN
4820-01-160-5932INTERCHANGEABLE
DISK,VALVE
4820-01-170-9220INTERCHANGEABLE
PLATE,PACKING RETAINER
N-11398-1 PIECE 11 6IN
4820-01-234-7916INTERCHANGEABLE
SEAT,VALVE
7589-39-1
4820-01-234-7970INTERCHANGEABLE
STEM,FLUID VALVE
7515-8-15-1
4820-01-234-8083INTERCHANGEABLE
DISK,VALVE
7515-5-Y-HF
4820-01-459-4040INTERCHANGEABLE
DISK,VALVE
0600127
4820-01-463-9227INTERCHANGEABLE
SEAT,VALVE
7586-39-1-AA
3120-01-469-8989INTERCHANGEABLE
BUSHING,SLEEVE
0621521

Frequently Asked Questions

What is NSN 4820-01-114-4573?

NSN 4820-01-114-4573 is a Seat,valve, manufactured by The Walworth Company, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-114-4573?

NSN 4820-01-114-4573 has 4 cross-referenced part numbers: N-11398-1 PIECE 5 6IN (The Walworth Company), CD-55299 (Walworth Co Marine Div), 700663272 (Walworth Co Marine Div), N-11398-1 (The Walworth Company).

What NSN replaces 4820-01-114-4573?

There are 12 known substitutes for 4820-01-114-4573: 4820-00-419-0456, 4820-01-073-5848, 5365-01-114-5949 and 9 more. Verify interchangeability with system specifications before substitution.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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