PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

24689Seat,valve

Leslie Controls, Inc. Dba Leslie Controls Inc · NSN 4820-01-522-0598 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-522-0598 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-522-0598. Primary manufacturer part number: 24689.
Features
  • Seat,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 Seat,valve, cataloged under National Stock Number 4820-01-522-0598, 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. 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
NSN4820-01-522-0598
Primary Part Number24689
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
1620-00-948-815924689 INTERCHANGEABLE
Fitting Assy,actuator
Moog Military Aircraft Llc
4820-01-183-4734N23402 INTERCHANGEABLE
Stem,fluid Valve
Leslie Controls, Inc. Dba Leslie Controls Inc
3040-01-183-475920489 INTERCHANGEABLE
Piston,linear Actuating Cylinder
Leslie Controls, Inc. Dba Leslie Controls Inc
4820-01-304-1921LAN-1 1/2IN,13814N 10T135PSI INTERCHANGEABLE
Valve,safety Relief
Leslie Controls, Inc. Dba Leslie Controls Inc
4820-01-522-0594LAN-1 1-1/2IN AND 13814N INTERCHANGEABLE
Valve,regulating,fluid Pressure
Leslie Controls, Inc. Dba Leslie Controls Inc
4820-01-522-060920487 INTERCHANGEABLE
Piston,valve
Leslie Controls, Inc. Dba Leslie Controls Inc
4820-01-522-061624691 INTERCHANGEABLE
Retainer,disk,valve
Leslie Controls, Inc. Dba Leslie Controls Inc
5340-01-539-5613 INTERCHANGEABLE
Cover,access
4310-01-597-751424689 INTERCHANGEABLE
Impeller,vacuum Pump
Parker Hannifin Corporation Div Hydraulic Systems Division
Cross-Reference Index
Part NumberManufacturer
24689 PRIMARY Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
13814N PC NO 2 P/N 24689 Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
13814N Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
Related Parts
1620-00-948-8159INTERCHANGEABLE
FITTING ASSY,ACTUATOR
24689
4820-01-183-4734INTERCHANGEABLE
STEM,FLUID VALVE
N23402
3040-01-183-4759INTERCHANGEABLE
PISTON,LINEAR ACTUATING CYLINDER
20489
4820-01-304-1921INTERCHANGEABLE
VALVE,SAFETY RELIEF
LAN-1 1/2IN,13814N 10T135PSI
4820-01-522-0594INTERCHANGEABLE
VALVE,REGULATING,FLUID PRESSURE
LAN-1 1-1/2IN AND 13814N
4820-01-522-0609INTERCHANGEABLE
PISTON,VALVE
20487
4820-01-522-0616INTERCHANGEABLE
RETAINER,DISK,VALVE
24691
5340-01-539-5613INTERCHANGEABLE
COVER,ACCESS
4310-01-597-7514INTERCHANGEABLE
IMPELLER,VACUUM PUMP
24689

Frequently Asked Questions

What is NSN 4820-01-522-0598?

NSN 4820-01-522-0598 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 4820-01-522-0598?

NSN 4820-01-522-0598 has 3 cross-referenced part numbers: 24689 (Leslie Controls, Inc. Dba Leslie Controls Inc), 13814N PC NO 2 P/N 24689 (Leslie Controls, Inc. Dba Leslie Controls Inc), 13814N (Leslie Controls, Inc. Dba Leslie Controls Inc).

What NSN replaces 4820-01-522-0598?

There are 9 known substitutes for 4820-01-522-0598: 1620-00-948-8159, 4820-01-183-4734, 3040-01-183-4759 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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