PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

ULABYN-1XValve,regulating,fluid Pressure

Leslie Controls, Inc. Dba Leslie Controls Inc · NSN 4820-01-604-7149 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-604-7149 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-604-7149. Primary manufacturer part number: ULABYN-1X.
Features
  • Valve,regulating,fluid Pressure — 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 Valve,regulating,fluid Pressure, cataloged under National Stock Number 4820-01-604-7149, 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. 1 verified substitute exists 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
NSN4820-01-604-7149
Primary Part NumberULABYN-1X
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 1
4820-01-537-9814Y402954001 INTERCHANGEABLE
Valve,regulating,fluid Pressure
Leslie Controls, Inc. Dba Leslie Controls Inc
Cross-Reference Index
Part NumberManufacturer
Y402954002 Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
ULABYN-1X PRIMARY Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
23891N Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
Related Parts
4820-01-537-9814INTERCHANGEABLE
VALVE,REGULATING,FLUID PRESSURE
Y402954001

Frequently Asked Questions

What is NSN 4820-01-604-7149?

NSN 4820-01-604-7149 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 4820-01-604-7149?

NSN 4820-01-604-7149 has 3 cross-referenced part numbers: Y402954002 (Leslie Controls, Inc. Dba Leslie Controls Inc), ULABYN-1X (Leslie Controls, Inc. Dba Leslie Controls Inc), 23891N (Leslie Controls, Inc. Dba Leslie Controls Inc).

What NSN replaces 4820-01-604-7149?

There is 1 known substitute for 4820-01-604-7149: 4820-01-537-9814. Verify interchangeability with system specifications before substitution.

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