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	<updated>2026-06-13T08:50:57Z</updated>
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	<entry>
		<id>https://www.lockwiki.com/index.php?title=Master_Lock_No_3&amp;diff=14041</id>
		<title>Master Lock No 3</title>
		<link rel="alternate" type="text/html" href="https://www.lockwiki.com/index.php?title=Master_Lock_No_3&amp;diff=14041"/>
		<updated>2025-08-19T07:28:29Z</updated>

		<summary type="html">&lt;p&gt;RoanTD: /* {{PAGENAME}} */&lt;/p&gt;
&lt;hr /&gt;
&lt;div&gt;={{PAGENAME}}=&lt;br /&gt;
&lt;br /&gt;
{{Lock model&lt;br /&gt;
|name = Master Lock No 3&lt;br /&gt;
|Img = File:Master_Lock_3_keyway_gallery_-_FXE47772.jpg&lt;br /&gt;
|Img_size = 200&lt;br /&gt;
|maker = [[Master Lock]]&lt;br /&gt;
|lock_type = [[Padlock]]&lt;br /&gt;
|lock_design = [[Pin_tumbler |Pin-tumbler]]&lt;br /&gt;
| spec_on       = true&lt;br /&gt;
| spec_comptype = [[Pin_tumbler |Pin-tumbler]]&lt;br /&gt;
| spec_comp     = 4&lt;br /&gt;
}}&lt;br /&gt;
&lt;br /&gt;
The &#039;&#039;&#039;No 3&#039;&#039;&#039; is a [[Pin_tumbler |pin-tumbler]] padlock made by [[Master Lock]].  The actuator is a flat post that extends up between 2 wafers that hold the shackle in place.  When rotated, the post moves each wafer inwards off the shackle allowing the shackle to move.  Key pins do not appear to be brass.&lt;br /&gt;
&lt;br /&gt;
== Vulnerabilities ==&lt;br /&gt;
&lt;br /&gt;
The No. 3 may be vulnerable to one or more of the following:&lt;br /&gt;
&lt;br /&gt;
* [[Lockpicking]]&lt;br /&gt;
* [[Destructive Entry]]&lt;br /&gt;
* [[Bypass]]&lt;br /&gt;
__TOC__&lt;br /&gt;
&amp;lt;br clear=all&amp;gt;&lt;br /&gt;
&lt;br /&gt;
&amp;lt;!-- == Principles of operation == --&amp;gt;&lt;br /&gt;
&amp;lt;!-- == Model variations == --&amp;gt;&lt;br /&gt;
&amp;lt;!-- == Construction == --&amp;gt;&lt;br /&gt;
&amp;lt;!-- == Disassembly instructions == --&amp;gt;&lt;br /&gt;
&amp;lt;!-- == Vulnerabilities == --&amp;gt;&lt;br /&gt;
&lt;br /&gt;
== Gallery ==&lt;br /&gt;
&amp;lt;gallery align=&amp;quot;center&amp;quot;&amp;gt;&lt;br /&gt;
File:Master Lock 3 padlock.png |A Master Lock No. 3 padlock.&lt;br /&gt;
File:Master Lock 3 keyway logo.png&lt;br /&gt;
File:Master Lock 3 - FXE47401.jpg | Master Lock #3&lt;br /&gt;
File:Master Lock 3 keyway - FXE47772.jpg | Master Lock #3 keyway&lt;br /&gt;
File:Master Lock No. 3 pins.jpg|thumb|alt=Master Lock No. 3 pins|Master Lock No. 3 pins&lt;br /&gt;
File:Master Lock No. 3 insides.jpg|thumb|alt=Master Lock No. 3 insides|Master Lock No. 3 insides&lt;br /&gt;
File:Master 3 Actuator Wafers.png|Master Lock No 3 Actuator Wafers&lt;br /&gt;
File:Master Lock No 3 Actuator.jpg|thumb|Master Lock No 3 Actuator&lt;br /&gt;
File:Master Lock No. 3 actuator interaction with wafers.jpg|thumb|alt=Master Lock No. 3 actuator interaction with wafers|Master Lock No. 3 actuator interaction with wafers&lt;br /&gt;
&amp;lt;/gallery&amp;gt;&lt;br /&gt;
&lt;br /&gt;
&amp;lt;!-- == External links == --&amp;gt;&lt;br /&gt;
&amp;lt;!-- == References == --&amp;gt;&lt;br /&gt;
&lt;br /&gt;
== See also ==&lt;br /&gt;
&lt;br /&gt;
* [[Master Lock]]&lt;br /&gt;
* [[Pin_tumbler|Pin-tumbler]]&lt;br /&gt;
* [[Padlock]]&lt;br /&gt;
&lt;br /&gt;
[[Category:Master Lock]]&lt;br /&gt;
[[Category:Lock models]]&lt;br /&gt;
[[Category:Padlocks]]&lt;br /&gt;
[[Category:Pin-tumbler locks]]&lt;br /&gt;
&lt;br /&gt;
{{Stub}}&lt;/div&gt;</summary>
		<author><name>RoanTD</name></author>
	</entry>
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