PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

5482-5-1-YSeat,valve

The Walworth Company · NSN 4820-01-289-1609 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-289-1609 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-289-1609. Primary manufacturer part number: 5482-5-1-Y.
Features
  • Seat,valve — FSC 4820
  • 3 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 4820-01-289-1609, 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 3 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 3 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)
Technical Specifications
ParameterValue
NSN4820-01-289-1609
Primary Part Number5482-5-1-Y
Item NameSeat,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerThe Walworth Company
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
4820-01-289-372310014-28-2-1 INTERCHANGEABLE
Stem,fluid Valve
The Walworth Company
4820-01-289-3979N-10059 PIECE 3A 8IN INTERCHANGEABLE
Disk,valve
The Walworth Company
5307-01-409-092022744N PC 14 INTERCHANGEABLE
Stud,plain
Leslie Controls, Inc. Dba Leslie Controls Inc
Cross-Reference Index
Part NumberManufacturer
N-11059 PIECE 4 8IN The Walworth Company (USA)
5482-5-1-Y PRIMARY The Walworth Company (USA)
N-11059 The Walworth Company (USA)
Related Parts
4820-01-289-3723INTERCHANGEABLE
STEM,FLUID VALVE
10014-28-2-1
4820-01-289-3979INTERCHANGEABLE
DISK,VALVE
N-10059 PIECE 3A 8IN
5307-01-409-0920INTERCHANGEABLE
STUD,PLAIN
22744N PC 14

Frequently Asked Questions

What is NSN 4820-01-289-1609?

NSN 4820-01-289-1609 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 4820-01-289-1609?

NSN 4820-01-289-1609 has 3 cross-referenced part numbers: N-11059 PIECE 4 8IN (The Walworth Company), 5482-5-1-Y (The Walworth Company), N-11059 (The Walworth Company).

What NSN replaces 4820-01-289-1609?

There are 3 known substitutes for 4820-01-289-1609: 4820-01-289-3723, 4820-01-289-3979, 5307-01-409-0920. Verify interchangeability with system specifications before substitution.

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