PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

408799Stem,fluid Valve

Leslie Controls, Inc. Dba Leslie Controls Inc · NSN 4820-01-320-8893 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-320-8893 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-320-8893. Primary manufacturer part number: 408799.
Features
  • Stem,fluid Valve — FSC 4820
  • 4 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 4820-01-320-8893, 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 4 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 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); Circor Intl Inc (CAGE 16626)
Technical Specifications
ParameterValue
NSN4820-01-320-8893
Primary Part Number408799
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 6
2520-00-737-3831101255-66 INTERCHANGEABLE
Core,fle,ible Shaft
Stewart-Warner Corporation
4820-01-320-8253408690 INTERCHANGEABLE
Seat,valve
Leslie Controls, Inc. Dba Leslie Controls Inc
4820-01-320-88582498-00-257 30IN VALVE ONLY INTERCHANGEABLE
Valve,butterfly
Leslie Controls, Inc. Dba Leslie Controls Inc
3120-01-321-2086408617 INTERCHANGEABLE
Bushing,sleeve
Leslie Controls, Inc. Dba Leslie Controls Inc
4820-01-321-6341408815 INTERCHANGEABLE
Stem,fluid Valve
Leslie Controls, Inc. Dba Leslie Controls Inc
4820-01-321-6441408575 INTERCHANGEABLE
Seat,valve
Leslie Controls, Inc. Dba Leslie Controls Inc
Cross-Reference Index
Part NumberManufacturer
408799 PRIMARY Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
408799 Circor Intl Inc (USA)
2498-00-257 Circor Intl Inc (USA)
2498-00-257 PC 1 Circor Intl Inc (USA)
Related Parts
2520-00-737-3831INTERCHANGEABLE
CORE,FLE,IBLE SHAFT
101255-66
4820-01-320-8253INTERCHANGEABLE
SEAT,VALVE
408690
4820-01-320-8858INTERCHANGEABLE
VALVE,BUTTERFLY
2498-00-257 30IN VALVE ONLY
3120-01-321-2086INTERCHANGEABLE
BUSHING,SLEEVE
408617
4820-01-321-6341INTERCHANGEABLE
STEM,FLUID VALVE
408815
4820-01-321-6441INTERCHANGEABLE
SEAT,VALVE
408575

Frequently Asked Questions

What is NSN 4820-01-320-8893?

NSN 4820-01-320-8893 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 4820-01-320-8893?

NSN 4820-01-320-8893 has 4 cross-referenced part numbers: 408799 (Leslie Controls, Inc. Dba Leslie Controls Inc), 408799 (Circor Intl Inc), 2498-00-257 (Circor Intl Inc), 2498-00-257 PC 1 (Circor Intl Inc).

What NSN replaces 4820-01-320-8893?

There are 6 known substitutes for 4820-01-320-8893: 2520-00-737-3831, 4820-01-320-8253, 4820-01-320-8858 and 3 more. Verify interchangeability with system specifications before substitution.

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