PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

21-403-0008-4 NUMBER AO-16Actuator,electromechanical,rotar

Flowserve Corp Dba Automax Actuators Div Flowserve Us Company · NSN 4810-01-333-2326 · FSC 4810 · No Item Name Available
Verified by PartsTable
NSN 4810-01-333-2326 — this item is cataloged by the U.S. Government under National Stock Number 4810-01-333-2326. Primary manufacturer part number: 21-403-0008-4 NUMBER AO-16.
Features
  • Actuator,electromechanical,rotar — FSC 4810
  • 4 verified cross-references
  • Primary manufacturer: Flowserve Corp Dba Automax Actuators Div Flowserve Us Company
Applications
  • Flow control in piping systems
  • Water treatment infrastructure
  • Industrial process control
General Description

The Actuator,electromechanical,rotar, cataloged under National Stock Number 4810-01-333-2326, is classified within Federal Supply Class 4810 (No Item Name Available) of the Valves group. The primary manufacturer of record is Flowserve Corp Dba Automax Actuators Div Flowserve Us Company. This item has 4 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameActuator,electromechanical,rotar
FSC / FSG4810 — No Item Name Available (FSG 48)
ManufacturersFlowserve Corp Dba Automax Actuators Div Flowserve Us Company (CAGE 52374)
Technical Specifications
ParameterValue
NSN4810-01-333-2326
Primary Part Number21-403-0008-4 NUMBER AO-16
Item NameActuator,electromechanical,rotar
FSC / FSG4810 / 48 — No Item Name Available
ManufacturerFlowserve Corp Dba Automax Actuators Div Flowserve Us Company
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
5331-00-069-9103A016 INTERCHANGEABLE
O-Ring
Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Valve Division
5905-00-534-257692296 INTERCHANGEABLE
Resistor,variable,wire Wound,pre
L3harris Technologies, Inc Div Space & Airborne Systems
3110-00-580-4220A016-CN INTERCHANGEABLE
Bearing,ball,thrust
Altra Industrial Motion Corp.
6240-00-905-72792140-0013 INTERCHANGEABLE
Lamp,glow
Keysight Technologies Inc
2805-01-212-0325A-016 INTERCHANGEABLE
Deflector,dirt and Liquid
Master Disposers Inc Dba Market-Master
5340-01-463-6626A-016 INTERCHANGEABLE
Deflector,dirt and Liquid
Insinger Machine Co
Cross-Reference Index
Part NumberManufacturer
A0-16 Flowserve Corp Dba Automax Actuators Div Flowserve Us Company (USA)
01-435-0401-4 ASSY AO-16 Flowserve Corp Dba Automax Actuators Div Flowserve Us Company (USA)
21-403-0008 Flowserve Corp Dba Automax Actuators Div Flowserve Us Company (USA)
21-403-0008-4 NUMBER AO-16 PRIMARY Flowserve Corp Dba Automax Actuators Div Flowserve Us Company (USA)
Related Parts
5331-00-069-9103INTERCHANGEABLE
O-RING
A016
5905-00-534-2576INTERCHANGEABLE
RESISTOR,VARIABLE,WIRE WOUND,PRE
92296
3110-00-580-4220INTERCHANGEABLE
BEARING,BALL,THRUST
A016-CN
6240-00-905-7279INTERCHANGEABLE
LAMP,GLOW
2140-0013
2805-01-212-0325INTERCHANGEABLE
DEFLECTOR,DIRT AND LIQUID
A-016
5340-01-463-6626INTERCHANGEABLE
DEFLECTOR,DIRT AND LIQUID
A-016

Frequently Asked Questions

What is NSN 4810-01-333-2326?

NSN 4810-01-333-2326 is a Actuator,electromechanical,rotar, manufactured by Flowserve Corp Dba Automax Actuators Div Flowserve Us Company, classified under FSC 4810 (No Item Name Available). Status: active.

What are the part numbers for NSN 4810-01-333-2326?

NSN 4810-01-333-2326 has 4 cross-referenced part numbers: A0-16 (Flowserve Corp Dba Automax Actuators Div Flowserve Us Company), 01-435-0401-4 ASSY AO-16 (Flowserve Corp Dba Automax Actuators Div Flowserve Us Company), 21-403-0008 (Flowserve Corp Dba Automax Actuators Div Flowserve Us Company), 21-403-0008-4 NUMBER AO-16 (Flowserve Corp Dba Automax Actuators Div Flowserve Us Company).

What NSN replaces 4810-01-333-2326?

There are 6 known substitutes for 4810-01-333-2326: 5331-00-069-9103, 5905-00-534-2576, 3110-00-580-4220 and 3 more. Verify interchangeability with system specifications before substitution.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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