PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

21221Actuator,electromechanical,rotar

Mark Industries · NSN 4810-01-270-2353 · FSC 4810 · No Item Name Available
Verified by PartsTable
NSN 4810-01-270-2353 — this item is cataloged by the U.S. Government under National Stock Number 4810-01-270-2353. Primary manufacturer part number: 21221.
Features
  • Actuator,electromechanical,rotar — FSC 4810
  • 2 verified cross-references
  • Primary manufacturer: Mark Industries
Applications
  • Flow control in piping systems
  • Water treatment infrastructure
  • Industrial process control
General Description

The Actuator,electromechanical,rotar, cataloged under National Stock Number 4810-01-270-2353, is classified within Federal Supply Class 4810 (No Item Name Available) of the Valves group. The primary manufacturer of record is Mark Industries. This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 12 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)
ManufacturersMark Industries (CAGE 60178)
Technical Specifications
ParameterValue
NSN4810-01-270-2353
Primary Part Number21221
Item NameActuator,electromechanical,rotar
FSC / FSG4810 / 48 — No Item Name Available
ManufacturerMark Industries
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5970-00-198-9809ESA19521TYPED INTERCHANGEABLE
Insulator,standoff
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
3120-00-367-179321221 INTERCHANGEABLE
Bearing,sleeve
Industrial Technologies and Services Llc
6685-00-453-7109 INTERCHANGEABLE
Thermocouple,immersion
5315-00-758-731021221 INTERCHANGEABLE
Pin,shoulder,headless
Mason Electric Co. Dba Mason Controls
3040-01-033-777621221 INTERCHANGEABLE
Shaft,drive,flexible
Halsit Holdings Llc Div Halsit Holdings, Llc Dba Abbatron
5342-01-144-3429531368-3 INTERCHANGEABLE
Clamp Assy,swing
Raytheon Company Dba Raytheon
5998-01-222-5336P.C.22605 INTERCHANGEABLE
Circuit Card Assembly
Motorola/codex Corp Sub of Motorola Inc
3450-01-412-643621221 INTERCHANGEABLE
Threading Machine,pipe and Bolt
Curtis-Toledo, Inc.
4820-01-416-457821221-001 INTERCHANGEABLE
Valve,linear,directional Control
Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace
3040-01-416-595921221-1002-1 INTERCHANGEABLE
Shaft,shouldered
Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace
Cross-Reference Index
Part NumberManufacturer
21221 PRIMARY Mark Industries (USA)
22605 Mark Industries (USA)
Related Parts
5970-00-198-9809INTERCHANGEABLE
INSULATOR,STANDOFF
ESA19521TYPED
3120-00-367-1793INTERCHANGEABLE
BEARING,SLEEVE
21221
6685-00-453-7109INTERCHANGEABLE
THERMOCOUPLE,IMMERSION
5315-00-758-7310INTERCHANGEABLE
PIN,SHOULDER,HEADLESS
21221
3040-01-033-7776INTERCHANGEABLE
SHAFT,DRIVE,FLEXIBLE
21221
5342-01-144-3429INTERCHANGEABLE
CLAMP ASSY,SWING
531368-3
5998-01-222-5336INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
P.C.22605
3450-01-412-6436INTERCHANGEABLE
THREADING MACHINE,PIPE AND BOLT
21221
4820-01-416-4578INTERCHANGEABLE
VALVE,LINEAR,DIRECTIONAL CONTROL
21221-001
3040-01-416-5959INTERCHANGEABLE
SHAFT,SHOULDERED
21221-1002-1
3040-01-416-5961INTERCHANGEABLE
SHAFT,SHOULDERED
21221-1001-1
1650-01-435-0630INTERCHANGEABLE
PISTON,BLOCKING
22605

Frequently Asked Questions

What is NSN 4810-01-270-2353?

NSN 4810-01-270-2353 is a Actuator,electromechanical,rotar, manufactured by Mark Industries, classified under FSC 4810 (No Item Name Available). Status: active.

What are the part numbers for NSN 4810-01-270-2353?

NSN 4810-01-270-2353 has 2 cross-referenced part numbers: 21221 (Mark Industries), 22605 (Mark Industries).

What NSN replaces 4810-01-270-2353?

There are 12 known substitutes for 4810-01-270-2353: 5970-00-198-9809, 3120-00-367-1793, 6685-00-453-7109 and 9 more. Verify interchangeability with system specifications before substitution.

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