Master Lock 0027-0373 Locking ...
IN STOCK (leaves warehouse same day if ordered before 3pm ET)
$11.81
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Master Lock 0027-0373 Locking Nuts for 25/27 Series Cylinder Replacement Parts

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Model: 0027-0373

In Stock (leaves warehouse same day if ordered before 3pm ET)

$11.81
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Master Lock 0027-0373 Locking Nuts for 25/27 Series Cylinder Replacement Parts

The Master Lock 0027-0373 are locking nuts designed as replacement parts for Master Lock 25 and 27 Series locks. These commercial-grade cylinder components are engineered to restore and maintain proper locking function in compatible Master Lock units, making them an essential service part for facilities managers and locksmiths working with Master Lock 25/27 Series hardware.

Key Features

  • Precise Compatibility: Specifically designed for use with Master Lock 25 and 27 Series locks, ensuring a proper fit and reliable performance.
  • Cylinder Service Component: Functions as a dedicated cylinder replacement part, supporting rekeying and cylinder servicing operations for compatible Master Lock hardware.
  • Commercial-Grade Quality: Rated for commercial applications, delivering the durability and reliability expected in professional door hardware environments.
  • Replacement Parts Classification: Categorized as rekey parts and replacement parts, making these locking nuts ideal for service and maintenance programs.
  • OEM Part Number: Identified by Master Lock model number 0027-0373 for accurate ordering and inventory management.

Technical Specifications

  • Department: Door Hardware
  • Product Category: Mechanical Locks
  • Product Group: Parts and Accessories
  • Subcategory: Parts and Accessories
  • Product Subgroup: Parts and Accessories
  • Product Type: Rekey Parts
  • Parts and Accessories Type: Replacement Parts
  • Commercial/Residential: Commercial
  • Product Model: 0027-0373
  • Features: Service Parts/Cylinders and Keys

Typical Applications

  • Commercial Office Buildings
  • Educational Facilities
  • Healthcare Institutions
  • Retail Establishments
  • Industrial and Warehouse Facilities
  • Multi-Tenant Residential Properties
  • Government and Municipal Buildings

Why Master Lock 0027-0373?

Master Lock replacement parts are engineered to maintain the integrity and performance of Master Lock 25 and 27 Series locking hardware. The 0027-0373 locking nuts are purpose-built service components that support professional rekeying and cylinder maintenance, ensuring continued reliable operation in demanding commercial environments.

Manufacturer Resources

Product Specs

Department:
Door Hardware
Product Category:
Mechanical Locks
Product Group:
Parts and Accessories
Subcategory:
Parts and Accessories
Product Subgroup:
Parts and Accessories
Product Type:
Rekey Parts
Parts and Accessories Type:
Replacement Parts
Commercial/Residential:
Commercial
Product Model:
0027-0373
Features:
Service Parts/Cylinders and Keys

Master Lock 0027-0373 – Frequently Asked Questions

1) What exactly is Master Lock part 0027-0373, and what job does it do in the lock?
It is the locking nut that secures the cylinder in a Master Lock 25 or 27 Series lock. It is a cylinder service component, not a cylinder or a key, so ordering it gets you the retaining hardware you need when you pull and reinstall a cylinder during rekeying or cylinder replacement.
2) Do I need the 0027-0373 locking nuts to rekey a Master Lock 25 or 27 Series lock?
Not for the pinning itself. The 0027-0373 is classed as a rekey and replacement part because the locking nut is what holds the cylinder in place when it comes back out and goes back in. Locksmiths and maintenance shops carry them so a stripped, lost, or damaged nut does not stop a rekey mid-job.
3) What part number do I put on the purchase order for Master Lock 25/27 Series locking nuts?
Order by Master Lock model 0027-0373. That is the OEM number for the 25/27 Series locking nuts, and it is the single designation to use on a PO or in a stockroom bin so a maintenance tech gets the right retaining nut instead of a generic fastener.
4) Is this a commercial-duty part or a homeowner replacement?
Master Lock rates the 0027-0373 for commercial use. It is stocked for office buildings, schools, healthcare, retail, warehouses, multi-tenant residential, and municipal buildings running 25/27 Series hardware, which is why it shows up on facility MRO parts lists rather than at a retail counter.
How fast can I get the Master Lock 0027-0373 delivered?
Most orders ship the same day from our distribution partners, with quick delivery throughout the continental U.S. Need it urgently? Contact Us for expedited shipping options.
Can I return it if it doesn’t work for me?
Yes—ZenSupply offers a hassle-free return policy. If the product isn’t the right fit, reach out to our support team for a return authorization or setup a return by following our return instructions.
Does the Master Lock 0027-0373 come with a warranty?
Absolutely. The Master Lock 0027-0373 is backed by a manufacturer’s warranty. For full warranty terms, check the product documentation or Contact Us.
How do I get technical support or installation help for the Master Lock 0027-0373?
You can call, text, or email our expert support team for fast answers. We’re here to help with product selection, installation tips, and troubleshooting. Contact Us
Why buy the Master Lock 0027-0373 from ZenSupply?
ZenSupply makes it easy to get the commercial door hardware you need—fast shipping, expert support, and rewards on every order. Our team is always ready to help you choose the right product for your project.
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