+ We stock a large inventory of National Aperture industrial automation systems and parts.
+ We repair, service and calibrate most National Aperture models of equipment.
+ We ship National Aperture replacement parts worldwide, with expedited shipping for your urgent National Aperture requirements


For immediate assistance click here for quick online help
or contact our Automation & Controls team:

Mr. Ryan Fitzgerald
Director, Industrial Automation & Controls Service Team
[email protected]
(212) 772-6992 ext. 704


Our staff at York Scientific is dedicated to help you succeed with all your mission-critical National Aperture Industrial Automation equipment needs.

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Popular Industrial Automation Products:

Winter 2022 & 2023 Q1 Developments in Industrial Automation - expanded product offering and diagnostic and repair services at York MRO

Winter 2023 Update: Since December 2022 the supply chain strictures have fortunately eased, with less stress on product delivery due dates. Our teams at York MRO have been able to ramp up our service response times with expedited shipment schedules back to normal, providing replacement parts and services following normal response times. Our departments are now working on near-normal production levels and our delivery and service schedules back to regular operation levels. In addition to the National Aperture MM-4M-EX-11 parts and service support, we have been able to add new lines of product and service:

Expanded Service and Repair Support for New Product Lines: We offer full support for discontinued Nord products, including obsoleted and phased-out Nippon-Valve-Controls parts and systems, as well as the all-new for 2023 Nemicon product line-up. Starting Q1 2023 York MRO is pleased to announce additional repair and rebuild services for the automation products made by industrial controls leader Nord such as the SK63L spares. Related to this we have added to our service line-up the PAXMV105UUPR manufactured by Nippon-Valve-Controls and we are pleased to be able to service most Nippon-Valve-Controls systems and parts. Due to increased demand we now feature NOC2202MHC by Manufacturer Nemicon as well.

York Scientific's New & Featured Automation Replacement Parts: Starting early January 2023 York has Nematron Brand ML104QT1023S in stock, original and quality replacement parts available for immediate dispatch to meet your requirement for spare replacements. Spare units by Oem such as T58020 equipment made by Oem have been added to our featured items. As a tip, you can find the entire Oem products line-up in our inventory by simply searching for "Oem" in the search box. Additionally we have now also available KTC75DLM4 made by Neil-Tech as well as the popular SEBS3AUU original spares produced by Nb

Servo Motors, Spindles, and Electric Motors Rewinding and Rebuilding. We have expanded capacity at our service centers to do complete overhauls of industrial electric motors and spindles. Refurbishment processes are held to stringent QA standards to adhere to or exceed manufacturer's specifications. Overhauls include motor bearing replacement, stator rewinding, and rebalancing. Additional overhaul and rebuilding capabilities of products such as the ML104LL1023S by Nematron and T58020 spares by Oem are also now also our York Scientific's line-up of service offerings. This also includes the original IWS1503 Spares made by industrial controls and automation manufacturer Nematron.