PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

YB2318A221Valve,regulating,fluid Pressure

Leslie Controls, Inc. Dba Leslie Controls Inc · NSN 4820-01-407-2964 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-407-2964 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-407-2964. Primary manufacturer part number: YB2318A221.
Features
  • Valve,regulating,fluid Pressure — 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 Valve,regulating,fluid Pressure, cataloged under National Stock Number 4820-01-407-2964, 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 NameValve,regulating,fluid Pressure
FSC / FSG4820 — No Item Name Available (FSG 48)
ManufacturersLeslie Controls, Inc. Dba Leslie Controls Inc (CAGE 35795)
Technical Specifications
ParameterValue
NSN4820-01-407-2964
Primary Part NumberYB2318A221
Item NameValve,regulating,fluid Pressure
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerLeslie Controls, Inc. Dba Leslie Controls Inc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
5360-00-291-1203A1254 INTERCHANGEABLE
Spring,helical,compression
Anderson Greenwood Lp Dba Anderson Greenwood Crosby
5935-00-636-62432C7 INTERCHANGEABLE
Socket,plug-in Electronic Compon
L3harris Interstate Electronics Corporation
4820-01-109-6152N-522XN-654 60T100PSI INTERCHANGEABLE
Valve,regulating,fluid Pressure
Leslie Controls, Inc. Dba Leslie Controls Inc
4820-01-151-8969N-522 X N-530 40T70PSI INTERCHANGEABLE
Valve,regulating,fluid Pressure
Leslie Controls, Inc. Dba Leslie Controls Inc
4820-01-237-283030 90T150PSI N-522 INTERCHANGEABLE
Valve,regulating,fluid Pressure
Leslie Controls, Inc. Dba Leslie Controls Inc
4820-01-397-5366NB22248727 INTERCHANGEABLE
Retainer,disk,valve
Leslie Controls, Inc. Dba Leslie Controls Inc
4820-01-398-1416NB23028823 INTERCHANGEABLE
Cap,valve
Leslie Controls, Inc. Dba Leslie Controls Inc
4820-01-424-2682YB2311A223 INTERCHANGEABLE
Valve,regulating,fluid Pressure
Leslie Controls, Inc. Dba Leslie Controls Inc
4820-01-471-6210 INTERCHANGEABLE
Valve,regulating,fluid Pressure
Cross-Reference Index
Part NumberManufacturer
N522 REV F X N712 REV D Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
N522 X N712 .25IPS 0T10 SBU Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
YB2318A221 PRIMARY Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
N-522 Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
Related Parts
5360-00-291-1203INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
A1254
5935-00-636-6243INTERCHANGEABLE
SOCKET,PLUG-IN ELECTRONIC COMPON
2C7
4820-01-109-6152INTERCHANGEABLE
VALVE,REGULATING,FLUID PRESSURE
N-522XN-654 60T100PSI
4820-01-151-8969INTERCHANGEABLE
VALVE,REGULATING,FLUID PRESSURE
N-522 X N-530 40T70PSI
4820-01-237-2830INTERCHANGEABLE
VALVE,REGULATING,FLUID PRESSURE
30 90T150PSI N-522
4820-01-397-5366INTERCHANGEABLE
RETAINER,DISK,VALVE
NB22248727
4820-01-398-1416INTERCHANGEABLE
CAP,VALVE
NB23028823
4820-01-424-2682INTERCHANGEABLE
VALVE,REGULATING,FLUID PRESSURE
YB2311A223
4820-01-471-6210INTERCHANGEABLE
VALVE,REGULATING,FLUID PRESSURE

Frequently Asked Questions

What is NSN 4820-01-407-2964?

NSN 4820-01-407-2964 is a Valve,regulating,fluid Pressure, 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 4820-01-407-2964?

NSN 4820-01-407-2964 has 4 cross-referenced part numbers: N522 REV F X N712 REV D (Leslie Controls, Inc. Dba Leslie Controls Inc), N522 X N712 .25IPS 0T10 SBU (Leslie Controls, Inc. Dba Leslie Controls Inc), YB2318A221 (Leslie Controls, Inc. Dba Leslie Controls Inc), N-522 (Leslie Controls, Inc. Dba Leslie Controls Inc).

What NSN replaces 4820-01-407-2964?

There are 9 known substitutes for 4820-01-407-2964: 5360-00-291-1203, 5935-00-636-6243, 4820-01-109-6152 and 6 more. Verify interchangeability with system specifications before substitution.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com