PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

Y501827504Valve,flow Control

Leslie Controls, Inc. Dba Leslie Controls Inc · NSN 4820-01-226-7578 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-226-7578 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-226-7578. Primary manufacturer part number: Y501827504.
Features
  • Valve,flow Control — FSC 4820
  • Valve Size: 1.000 INCHES IN
  • Pressure Class: ERR-060
  • 5 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,flow Control, cataloged under National Stock Number 4820-01-226-7578, 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 2 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 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
NSN4820-01-226-7578
Primary Part NumberY501827504
Item NameValve,flow Control
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerLeslie Controls, Inc. Dba Leslie Controls Inc
StatusACTIVE
Valve Size1.000 INCHES IN
Pressure ClassERR-060
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
4320-00-023-6280 INTERCHANGEABLE
Governor,pump,pressure Regulatin
4820-00-036-1537N116450058 INTERCHANGEABLE
Disk,valve
Leslie Controls, Inc. Dba Leslie Controls Inc
4320-00-873-8986 INTERCHANGEABLE
Governor,pump,pressure Regulatin
4820-01-231-7089N53826 INTERCHANGEABLE
Adjusting Screw,valve
Leslie Controls, Inc. Dba Leslie Controls Inc
Cross-Reference Index
Part NumberManufacturer
PTLNS-5 1 IN Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
21742N Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
Y501827504 PRIMARY Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
11101N 1IN Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
PTLNS-5 Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
Related Parts
4320-00-023-6280INTERCHANGEABLE
GOVERNOR,PUMP,PRESSURE REGULATIN
4820-00-036-1537INTERCHANGEABLE
DISK,VALVE
N116450058
4320-00-873-8986INTERCHANGEABLE
GOVERNOR,PUMP,PRESSURE REGULATIN
4820-01-231-7089INTERCHANGEABLE
ADJUSTING SCREW,VALVE
N53826

Frequently Asked Questions

What is NSN 4820-01-226-7578?

NSN 4820-01-226-7578 is a Valve,flow Control, 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 4820-01-226-7578?

NSN 4820-01-226-7578 has 5 cross-referenced part numbers: PTLNS-5 1 IN (Leslie Controls, Inc. Dba Leslie Controls Inc), 21742N (Leslie Controls, Inc. Dba Leslie Controls Inc), Y501827504 (Leslie Controls, Inc. Dba Leslie Controls Inc), 11101N 1IN (Leslie Controls, Inc. Dba Leslie Controls Inc), PTLNS-5 (Leslie Controls, Inc. Dba Leslie Controls Inc).

What NSN replaces 4820-01-226-7578?

There are 4 known substitutes for 4820-01-226-7578: 4320-00-023-6280, 4820-00-036-1537, 4320-00-873-8986 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of Y501827504?

Key specifications for Y501827504: Valve Size: 1.000 INCHES IN; Pressure Class: ERR-060. 2 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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