PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

442740059Stem,fluid Valve

Leslie Controls, Inc. Dba Leslie Controls Inc · NSN 4820-01-487-4166 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-487-4166 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-487-4166. Primary manufacturer part number: 442740059.
Features
  • Stem,fluid Valve — FSC 4820
  • 3 verified cross-references
  • Primary manufacturer: Leslie Controls, Inc. Dba Leslie Controls Inc
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Stem,fluid Valve, cataloged under National Stock Number 4820-01-487-4166, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Leslie Controls, Inc. Dba Leslie Controls Inc. This item has 3 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameStem,fluid Valve
FSC / FSG4820 — No Item Name Available (FSG 48)
ManufacturersLeslie Controls, Inc. Dba Leslie Controls Inc (CAGE 35795)
Technical Specifications
ParameterValue
NSN4820-01-487-4166
Primary Part Number442740059
Item NameStem,fluid Valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerLeslie Controls, Inc. Dba Leslie Controls Inc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
4820-01-468-7955442490057 INTERCHANGEABLE
Cap,valve
Leslie Controls, Inc. Dba Leslie Controls Inc
4820-01-468-803056011 INTERCHANGEABLE
Tailpiece,valve
Leslie Controls, Inc. Dba Leslie Controls Inc
Cross-Reference Index
Part NumberManufacturer
21473N PC NO 18 Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
21473N Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
442740059 PRIMARY Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
Related Parts
4820-01-468-7955INTERCHANGEABLE
CAP,VALVE
442490057
4820-01-468-8030INTERCHANGEABLE
TAILPIECE,VALVE
56011

Frequently Asked Questions

What is NSN 4820-01-487-4166?

NSN 4820-01-487-4166 is a Stem,fluid Valve, manufactured by Leslie Controls, Inc. Dba Leslie Controls Inc, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-487-4166?

NSN 4820-01-487-4166 has 3 cross-referenced part numbers: 21473N PC NO 18 (Leslie Controls, Inc. Dba Leslie Controls Inc), 21473N (Leslie Controls, Inc. Dba Leslie Controls Inc), 442740059 (Leslie Controls, Inc. Dba Leslie Controls Inc).

What NSN replaces 4820-01-487-4166?

There are 2 known substitutes for 4820-01-487-4166: 4820-01-468-7955, 4820-01-468-8030. Verify interchangeability with system specifications before substitution.

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