PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

21844N-3 PIECE 9Seat,valve

Leslie Controls, Inc. Dba Leslie Controls Inc · NSN 4820-01-233-4942 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-233-4942 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-233-4942. Primary manufacturer part number: 21844N-3 PIECE 9.
Features
  • Seat,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 Seat,valve, cataloged under National Stock Number 4820-01-233-4942, 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 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 9 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)
ManufacturersLeslie Controls, Inc. Dba Leslie Controls Inc (CAGE 35795)
Technical Specifications
ParameterValue
NSN4820-01-233-4942
Primary Part Number21844N-3 PIECE 9
Item NameSeat,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerLeslie Controls, Inc. Dba Leslie Controls Inc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
4820-00-177-8421N48400 INTERCHANGEABLE
Plug,rotary,valve
Leslie Controls, Inc. Dba Leslie Controls Inc
5310-00-282-756535395 INTERCHANGEABLE
Washer,flat
Prestolite Electric Inc
3040-00-488-119735395 INTERCHANGEABLE
Gearshaft,spur
Safran Power Usa Llc
6730-00-910-1450 INTERCHANGEABLE
Cover,projector,spe
4820-01-228-2743 INTERCHANGEABLE
Plug,disk Valve
4820-01-233-4874N58197 INTERCHANGEABLE
Stem,fluid Valve
Leslie Controls, Inc. Dba Leslie Controls Inc
5310-01-464-1466N486195235 INTERCHANGEABLE
Nut,sleeve
Leslie Controls, Inc. Dba Leslie Controls Inc
4820-01-468-058257563-53-79 INTERCHANGEABLE
Cap,valve
Leslie Controls, Inc. Dba Leslie Controls Inc
6640-01-468-876335395 INTERCHANGEABLE
Column,analytical
Dionex Corporation
Cross-Reference Index
Part NumberManufacturer
21844N-3 PIECE 9 PRIMARY Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
35395 Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
21844N Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
N35395 PRIMARY Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
Related Parts
4820-00-177-8421INTERCHANGEABLE
PLUG,ROTARY,VALVE
N48400
5310-00-282-7565INTERCHANGEABLE
WASHER,FLAT
35395
3040-00-488-1197INTERCHANGEABLE
GEARSHAFT,SPUR
35395
6730-00-910-1450INTERCHANGEABLE
COVER,PROJECTOR,SPE
4820-01-228-2743INTERCHANGEABLE
PLUG,DISK VALVE
4820-01-233-4874INTERCHANGEABLE
STEM,FLUID VALVE
N58197
5310-01-464-1466INTERCHANGEABLE
NUT,SLEEVE
N486195235
4820-01-468-0582INTERCHANGEABLE
CAP,VALVE
57563-53-79
6640-01-468-8763INTERCHANGEABLE
COLUMN,ANALYTICAL
35395

Frequently Asked Questions

What is NSN 4820-01-233-4942?

NSN 4820-01-233-4942 is a Seat,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 4820-01-233-4942?

NSN 4820-01-233-4942 has 4 cross-referenced part numbers: 21844N-3 PIECE 9 (Leslie Controls, Inc. Dba Leslie Controls Inc), 35395 (Leslie Controls, Inc. Dba Leslie Controls Inc), 21844N (Leslie Controls, Inc. Dba Leslie Controls Inc), N35395 (Leslie Controls, Inc. Dba Leslie Controls Inc).

What NSN replaces 4820-01-233-4942?

There are 9 known substitutes for 4820-01-233-4942: 4820-00-177-8421, 5310-00-282-7565, 3040-00-488-1197 and 6 more. Verify interchangeability with system specifications before substitution.

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