PartsTable TECHNICAL DATA SHEET
SEPTEMBER 2026Technical Data Sheet

N22964942Seat,valve

Leslie Controls, Inc. Dba Leslie Controls Inc · NSN 4820-01-139-9886 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-139-9886 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-139-9886. Primary manufacturer part number: N22964942.
Features
  • Seat,valve — FSC 4820
  • Flange Seat to Disk End Height: 0.125 INCHES NOMINAL IN
  • Flange Diameter: 1.812 INCHES NOMINAL IN
  • Material: NICKEL ALLOY OVERALL
  • Style Designator: THREADED FLANGED
  • Thread Series Designator: UNS SINGLE THREADED PORTION
  • Thread Class: 2A SINGLE THREADED PORTION A
  • Nominal Thread Size: 1.625 INCHES SINGLE THREADED PORTION IN
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Nickel Alloy Overall construction
General Description

The Seat,valve, cataloged under National Stock Number 4820-01-139-9886, 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 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 8 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: Cancelled.

Technical Specifications
ParameterValue
NSN4820-01-139-9886
Primary Part NumberN22964942
Item NameSeat,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerLeslie Controls, Inc. Dba Leslie Controls Inc
StatusCANCELLED
Flange Seat to Disk End Height0.125 INCHES NOMINAL IN
Flange Diameter1.812 INCHES NOMINAL IN
MaterialNICKEL ALLOY OVERALL
Style DesignatorTHREADED FLANGED
Thread Series DesignatorUNS SINGLE THREADED PORTION
Thread Class2A SINGLE THREADED PORTION A
Nominal Thread Size1.625 INCHES SINGLE THREADED PORTION IN
Thread Length0.218 INCHES NOMINAL SINGLE THREADED PORTION IN
Seating Surface ShapeFLAT
Body Inside Diameter1.250 INCHES NOMINAL IN
Under Flange Height0.500 INCHES NOMINAL IN
Thread Quantity Per Inch14 SINGLE THREADED PORTION
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
⇄ Verified Substitutes 3
5945-00-201-5886N464 INTERCHANGEABLE
Relay,electromagnetic
Eaton Corp Opns & Technical Center
5340-01-246-7794N-464 PC 17 INTERCHANGEABLE
Seat,helical Compression Spring
Leslie Controls, Inc. Dba Leslie Controls Inc
4820-01-252-2630229-649-45 INTERCHANGEABLE
Seat,valve
Leslie Controls, Inc. Dba Leslie Controls Inc
Cross-Reference Index
Part NumberManufacturer
N-464 PC 15 Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
N22964942 PRIMARY Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
N-498 PIECE 15 Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
22964942 Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
N-464-15 Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
NB22964942 PRIMARY Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
N-464 Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
N-464 PART N-464-15 Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
Related Parts
5945-00-201-5886INTERCHANGEABLE
RELAY,ELECTROMAGNETIC
N464
5340-01-246-7794INTERCHANGEABLE
SEAT,HELICAL COMPRESSION SPRING
N-464 PC 17
4820-01-252-2630INTERCHANGEABLE
SEAT,VALVE
229-649-45

Frequently Asked Questions

What is NSN 4820-01-139-9886?

NSN 4820-01-139-9886 is a Seat,valve, manufactured by Leslie Controls, Inc. Dba Leslie Controls Inc, classified under FSC 4820 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4820-01-139-9886?

NSN 4820-01-139-9886 has 8 cross-referenced part numbers: N-464 PC 15 (Leslie Controls, Inc. Dba Leslie Controls Inc), N22964942 (Leslie Controls, Inc. Dba Leslie Controls Inc), N-498 PIECE 15 (Leslie Controls, Inc. Dba Leslie Controls Inc), 22964942 (Leslie Controls, Inc. Dba Leslie Controls Inc), N-464-15 (Leslie Controls, Inc. Dba Leslie Controls Inc) and 3 more.

What NSN replaces 4820-01-139-9886?

There are 3 known substitutes for 4820-01-139-9886: 5945-00-201-5886, 5340-01-246-7794, 4820-01-252-2630. Verify interchangeability with system specifications before substitution.

What are the specifications of N22964942?

Key specifications for N22964942: Flange Seat to Disk End Height: 0.125 INCHES NOMINAL IN; Flange Diameter: 1.812 INCHES NOMINAL IN; Material: NICKEL ALLOY OVERALL; Style Designator: THREADED FLANGED. 12 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4820-01-139-9886 still in active supply?

NSN 4820-01-139-9886 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

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