Safety and Lock Wire

Ensure stable connections throughout your aircraft with reliable aircraft lock wire, or safety wire. Secure your assemblies with aircraft safety wire that ensures durable and reliable connections in high-stress conditions. Manufactured by Boeing, Howmet Fastening Systems, SPS Technologies, and others, these products demonstrate proven performance and adherence to rigorous safety standards. Aircraft lock wire is designed for maintenance professionals seeking dependable and efficient fastening solutions. Browse our selection today to protect your aircraft’s structural integrity.
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MS20995C32 Wire, Safety Or Lock
MS20995C32 Wire, Safety Or Lock
Military Specifications

Mfr Part#
MS20995C32

256A3741-1 Coupling Half
256A3741-1 Coupling Half
The Boeing Company

Mfr Part#
256A3741-1

275A5325-3 Cable Guard
275A5325-3 Cable Guard
The Boeing Company

Mfr Part#
275A5325-3

275A5325-4 Cable Guard
275A5325-4 Cable Guard
The Boeing Company

Mfr Part#
275A5325-4

AFA0082-501 Spool
AFA0082-501 Spool
The Boeing Company

Mfr Part#
AFA0082-501

Boeing BACS18BF1 Spacer, Wire Harness
Boeing BACS18BF1 Spacer, Wire Harness
The Boeing Company

Mfr Part#
BACS18BF1

Boeing MS20995C41 Wire, Safety Or Lock
Boeing MS20995C41 Wire, Safety Or Lock
Military Specifications

Mfr Part#
MS20995C41

69-38947-26 Clip, Spring
69-38947-26 Clip, Spring
The Boeing Company

Mfr Part#
69-38947-26

69B60593-4 Spring
69B60593-4 Spring
The Boeing Company

Mfr Part#
69B60593-4

668Z701214-19 Wire Harness
668Z701214-19 Wire Harness
The Boeing Company

Mfr Part#
668Z701214-19

668Z701216-19 Wire Harness
668Z701216-19 Wire Harness
The Boeing Company

Mfr Part#
668Z701216-19

H3526-1 Lanyard
H3526-1 Lanyard
Hartwell Corporation

Mfr Part#
H3526-1

Boeing BACC30AB8A Collar, Preload
Boeing BACC30AB8A Collar, Preload
The Boeing Company

Mfr Part#
BACC30AB8A

Boeing BACS38K12 Strap, Adjustable
Boeing BACS38K12 Strap, Adjustable
The Boeing Company

Mfr Part#
BACS38K12

41P5015 Chain
41P5015 Chain
CFM International Inc

Mfr Part#
41P5015

668Z701149-20 Wire Harness
668Z701149-20 Wire Harness
The Boeing Company

Mfr Part#
668Z701149-20

668Z701212-18 Wire Harness
668Z701212-18 Wire Harness
The Boeing Company

Mfr Part#
668Z701212-18

ADA2615-1 Spring
ADA2615-1 Spring
The Boeing Company

Mfr Part#
ADA2615-1

69-78782-3 Spring
69-78782-3 Spring
The Boeing Company

Mfr Part#
69-78782-3

452T2123Y2 Restraint Assembly
452T2123Y2 Restraint Assembly
The Boeing Company

Mfr Part#
452T2123Y2

Frequently Asked Questions

What is safety wire?

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Safety wire, often known as lock wire, is a twisted wire used to secure fasteners and prevent them from loosening under vibration or stress. It is widely used to maintain the integrity of assemblies.

What are aircraft safety wire standards?

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Standards for safety wire are established to ensure that the materials and application methods meet stringent reliability and performance criteria with specific wire diameters, limiting the number of items secured with a single wire, and proper wire twisting techniques. Products meeting these standards are rigorously tested and certified, providing assurance to maintenance teams.

Product information provided "as is", and Boeing may add, change, discontinue or remove product information at any time. Product photos may not be exact match to product delivered. See terms & conditions.