Linear Pro Access FM345KA-10PK1 Security Pin Lock 10-Pack for GTO, Linear Pro and Mighty Mule Gate Operators
The FM345KA-10PK1 is a bulk 10-pack of keyed security pin locks used on compatible gate opener installations to help prevent casual removal of the operator arm or selected release hardware. On many swing gate operators, the security pin lock is installed in place of the standard front clevis pin where the operator arm attaches to the gate bracket. On selected DC slide gate applications, a related pin-lock use may be at the quick chain release point used for manual operation. This part is not an electrical accessory and does not change operator programming; it is a physical security accessory for the mounting or release point. For the best fit, match the installation style to the operator manual or existing pin because GTO, Linear Pro Access, Mighty Mule, and older Zareba systems may share common service hardware while still having model-generation differences.
Compatible With
Common Swing Gate Operator Families
- GTO/PRO 2000XL, 3000XL, 2002XL, 3002XL, 2500, and 2502 style swing operator families where this pin-lock style is specified
- Mighty Mule FM200, FM350, FM352, FM500, FM502, and older FM700/FM702 style swing operator applications where the front clevis pin style matches
- Linear Pro Access residential DC swing gate operators that use the same GTO-style front mounting clevis pin arrangement
- Zareba G450/G452 and G750/G752 applications commonly cross-referenced with the GTO/Mighty Mule pin lock family
Common Slide Gate / Release Applications
- Selected GTO/Linear Pro Access DC slide operator chain quick-release locations where the manual release pin style matches
- Selected Mighty Mule and Linear slide applications only when the operator parts diagram calls for the same pin-lock style
Use Caution With
- GTO Pro2000 series applications, which are often listed as an exception on compatibility references
- Unknown custom brackets, welded repairs, missing spacers, or non-original mounting hardware
- Any operator where the original pin diameter, usable length, or lock clearance does not match the replacement lock
Features and Specifications
| Manufacturer | Linear Pro Access / GTO / Mighty Mule related accessory |
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| Product Type | Keyed security pin lock multi-pack |
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| Part Number | FM345KA-10PK1 |
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| Application | Operator arm security and selected manual-release security points |
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| Compatible Operator Type | Select residential and light commercial swing gate operators; selected DC slide release applications when specified |
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| Included Components | 10 keyed pin locks; keys may vary by supplied kit configuration |
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| Material / Finish | Metal locking pin assembly |
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| Notes | Used in place of a standard clevis or release pin where the operator manual supports this lock style |
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Also Known As / Related Part Numbers
- FM345KA-10PK1
- FM345KA 10PK
- FM345KA
- FM345
- RB345
- Mighty Mule FM133
- GTO FM345
- Linear Pro pin lock
- GTO pin lock
- Mighty Mule pin lock
Technician Note
This security pin lock is meant to secure the operator connection point; it is not a substitute for a proper gate latch, positive stop, or automatic gate lock. Do not force the pin through a bracket that does not line up cleanly.
Before Ordering
- Confirm the operator model and front mounting bracket style.
- Compare the original clevis pin diameter and usable length.
- Check that the lock body has enough clearance when the gate opens and closes.
- For slide gate use, confirm the operator manual calls for this style at the chain release point.
- Keep keys available for service and emergency access.
Important Ordering Warnings
- Do not assume every GTO, Mighty Mule, Linear, or Zareba operator uses the same pin dimensions.
- This lock does not bypass or replace required safety devices.
Professional Advisory
Gate hardware should be installed so the operator can still be safely released and serviced. If the gate does not move freely, binds, or has damaged brackets, correct the mechanical issue before adding security hardware.
Questions and Answers
What does the FM345KA security pin lock protect?
It replaces a standard clevis or release pin with a keyed locking pin so the gate operator arm or manual-release point is harder to remove without the key.
Is this 10-pack the same style as the single FM345 or FM133 pin lock?
This listing is for a multi-pack of the Linear/GTO security pin lock style commonly cross-referenced with FM345, RB345, and Mighty Mule FM133 applications. Confirm the actual pin location and diameter before ordering.
Can this be used on swing and slide gate operators?
It is commonly used at the front mounting point on many GTO, Linear Pro Access, and Mighty Mule swing operators. Some DC slide operator applications use a pin lock at the chain quick-release area, but the exact location depends on the operator model.
Will this unlock the gate during a power outage?
The lock secures the operator mounting or release point. Keep the supplied keys in an accessible location so the operator can be released or serviced when needed.
Are all GTO and Mighty Mule pin locks interchangeable?
No. Similar pin locks are often sold under related part numbers, but older operators, Pro2000 exceptions, bracket changes, and slide release hardware should be checked before ordering.
