Does this safety lock wire meet aviation specifications?

Yes. This wire is manufactured to meet NASM20995C and MS20995C specifications, along with ASTM A580 Condition A and AMS5697 requirements, making it suitable for aviation, automotive, and industrial applications where compliance matters.

How does safety wire prevent bolts from loosening?

Safety lock wire secures fasteners by mechanically locking them in place, preventing rotation caused by vibration. When properly installed, it maintains tension and helps reduce the risk of fastener loosening in high-stress environments.

Which gauge should I choose for my application?

.020 is typically used for small fasteners, .032 is the most common for standard aviation use, .041 and .063 are used for larger or heavy-duty applications. Choose based on fastener size and required strength.

Will the wire snap or break during installation?

No. When used correctly, this stainless steel wire is designed to twist smoothly while maintaining strength and flexibility, reducing the risk of breakage during installation.

Do I need special tools to install this wire?

For best results, the Safety Wire Pliers are recommended to achieve consistent twisting and proper tension. Standard cutters can be used to trim the wire cleanly.

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We remain fully operational. Our teams are working around the clock to ensure your deliveries continue safely.

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WE SOURCE ITEMS FROM

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Our Other Brands:Hewyn|Selfship

Wire & Cable Specialties Safety Lockwire 1 lb 0.45 kg Disp, 362 ft 50 m

Product ID: 279612743

Details

Brand
WCS WIRE AND
Colour
blue
Finish type
Polished
Item weight
454 g
Material
Stainless

🎯Conforms to NASM20995C & ASTM A580 Cond A specs

🔒0.032" tempered lockwire for ultimate security

🛠️Approx. 362 ft (50 m) length for versatile use

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R1498

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Description

🔧 Lock it tight, keep it right — the pro’s secret weapon!

CERTIFIED QUALITY ASSURANCE - Meets rigorous military and aerospace standards for peace of mind
CONVENIENT DISPENSER DESIGN - Screw-on lid with dual wire cleat and belt clip for on-the-go efficiency
PRECISION ENGINEERED LENGTH - 362 feet of high-strength wire ready for any project scale
UNRIVALED VIBRATION PROTECTION - Lock down fasteners with aerospace-grade wire trusted by pros
ALL PURPOSE POWER TOOL ESSENTIAL - From aircraft to your garage, the go-to solution for secure fastening

Wire and Cable Specialties MC0320-1#D Safety Lockwire is a 0.032-inch tempered steel wire designed to secure fasteners against loosening from vibration. With approximately 362 feet per dispenser, it meets strict aerospace and military specifications (NASM20995C, ASTM A580 Cond A) and features a user-friendly dispenser with a screw-on lid and belt clip. Ideal for aviation, automotive, and industrial applications, it’s a must-have for professionals demanding reliable, certified fastening security.

Specifications

ASIN	B00EUROQUO
Best Sellers Rank	#3,002 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #10 in Electrical Wire
Brand	WCS WIRE AND CABLE SPECIALTIES, INC.
Customer Reviews	4.8 4.8 out of 5 stars (1,886)
Date First Available	1 January 2024
Exterior	Drawn Solid Wire
Item Weight	454 g
Item model number	MC0320-1#D
Manufacturer	Wire and Cable Specialties
Manufacturer Part Number	MC0320-1#D
Model	MC0320-1#D
Product Dimensions	7.62 x 7.11 x 8.89 cm; 453.59 g

Reviews

M**D

Thanks

fast delivery It was very good product

2.01.2025

A**E

Used on my vehicle projects

4.02.2025

S**S

help with the job i wanted to do

11.10.2025

C**N

Gran calidad !!

2.07.2020

B**R

Great product

29.07.2023

C**K

Needed it for soldering purposes and it fits the bill. Highly recommended.

11.07.2020

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R1498

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In stock

Sold byAmazon South AfricaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to South Africa.

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