PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

A50500Actuator,electro-Mechanical,line

Leslie Controls, Inc. Dba Leslie Controls Inc · NSN 4810-01-221-7459 · FSC 4810 · No Item Name Available
Verified by PartsTable
NSN 4810-01-221-7459 — this item is cataloged by the U.S. Government under National Stock Number 4810-01-221-7459. Primary manufacturer part number: A50500.
Features
  • Actuator,electro-Mechanical,line — FSC 4810
  • Body Height: 7.188 INCHES NOMINAL IN
  • Body Width: 6.188 INCHES NOMINAL IN
  • Current Type: AC
  • Body Length: 18.375 INCHES NOMINAL IN
  • Mounting Facility: THREADED MOUNTING HOLES
  • Duty Cycle: INTERMITTENT
  • 4 verified cross-references
Applications
  • Flow control in piping systems
  • Water treatment infrastructure
  • Industrial process control
General Description

The Actuator,electro-Mechanical,line, cataloged under National Stock Number 4810-01-221-7459, is classified within Federal Supply Class 4810 (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 6 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4810-01-221-7459
Primary Part NumberA50500
Item NameActuator,electro-Mechanical,line
FSC / FSG4810 / 48 — No Item Name Available
ManufacturerLeslie Controls, Inc. Dba Leslie Controls Inc
StatusACTIVE
Body Height7.188 INCHES NOMINAL IN
Body Width6.188 INCHES NOMINAL IN
Current TypeAC
Body Length18.375 INCHES NOMINAL IN
Mounting FacilityTHREADED MOUNTING HOLES
Duty CycleINTERMITTENT
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5315-00-870-5333375B INTERCHANGEABLE
Pivot
Parker Hannifin Corporation Div Chelsea Products Division
6220-01-255-779890365 INTERCHANGEABLE
Lens,light
Grote Industries Inc Dba Grote Manufacturing Co Div Military Products
Cross-Reference Index
Part NumberManufacturer
375B Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
375B Circor Intl Inc (USA)
A40451 Circor Intl Inc (USA)
A50500 PRIMARY Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
Related Parts
5315-00-870-5333INTERCHANGEABLE
PIVOT
375B
6220-01-255-7798INTERCHANGEABLE
LENS,LIGHT
90365

Frequently Asked Questions

What is NSN 4810-01-221-7459?

NSN 4810-01-221-7459 is a Actuator,electro-Mechanical,line, manufactured by Leslie Controls, Inc. Dba Leslie Controls Inc, classified under FSC 4810 (No Item Name Available). Status: active.

What are the part numbers for NSN 4810-01-221-7459?

NSN 4810-01-221-7459 has 4 cross-referenced part numbers: 375B (Leslie Controls, Inc. Dba Leslie Controls Inc), 375B (Circor Intl Inc), A40451 (Circor Intl Inc), A50500 (Leslie Controls, Inc. Dba Leslie Controls Inc).

What NSN replaces 4810-01-221-7459?

There are 2 known substitutes for 4810-01-221-7459: 5315-00-870-5333, 6220-01-255-7798. Verify interchangeability with system specifications before substitution.

What are the specifications of A50500?

Key specifications for A50500: Body Height: 7.188 INCHES NOMINAL IN; Body Width: 6.188 INCHES NOMINAL IN; Current Type: AC; Body Length: 18.375 INCHES NOMINAL IN. 6 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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