PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

N243950058Seat,valve

Leslie Controls, Inc. Dba Leslie Controls Inc · NSN 4820-01-217-9973 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-217-9973 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-217-9973. Primary manufacturer part number: N243950058.
Features
  • Seat,valve — FSC 4820
  • Material: STEEL COMP 316 SEAT
  • 2 verified cross-references
  • Primary manufacturer: Leslie Controls, Inc. Dba Leslie Controls Inc
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Steel Comp 316 Seat construction
General Description

The Seat,valve, cataloged under National Stock Number 4820-01-217-9973, 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. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-217-9973
Primary Part NumberN243950058
Item NameSeat,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerLeslie Controls, Inc. Dba Leslie Controls Inc
StatusACTIVE
MaterialSTEEL COMP 316 SEAT
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
5120-00-264-3796 INTERCHANGEABLE
Wrench,adjustable
4910-01-206-893724395 INTERCHANGEABLE
Caster Fork
Hein Werner Corp
5310-01-409-0977230046365050A00 INTERCHANGEABLE
Nut,plain,hexagon
William Powell Company, the Dba Powell Valve Div the Starflo Corporation
5930-01-464-95649325C08-1433-01 INTERCHANGEABLE
Switch,push
The Entwistle Company Llc
Cross-Reference Index
Part NumberManufacturer
N243950058 PRIMARY Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
24395 Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
Related Parts
5120-00-264-3796INTERCHANGEABLE
WRENCH,ADJUSTABLE
4910-01-206-8937INTERCHANGEABLE
CASTER FORK
24395
5310-01-409-0977INTERCHANGEABLE
NUT,PLAIN,HEXAGON
230046365050A00
5930-01-464-9564INTERCHANGEABLE
SWITCH,PUSH
9325C08-1433-01

Frequently Asked Questions

What is NSN 4820-01-217-9973?

NSN 4820-01-217-9973 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 4820-01-217-9973?

NSN 4820-01-217-9973 has 2 cross-referenced part numbers: N243950058 (Leslie Controls, Inc. Dba Leslie Controls Inc), 24395 (Leslie Controls, Inc. Dba Leslie Controls Inc).

What NSN replaces 4820-01-217-9973?

There are 4 known substitutes for 4820-01-217-9973: 5120-00-264-3796, 4910-01-206-8937, 5310-01-409-0977 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of N243950058?

Key specifications for N243950058: Material: STEEL COMP 316 SEAT. 1 total characteristics are documented in the Federal Logistics Information System.

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