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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Fully operational. Shipping worldwide, on schedule.Duty & taxes paid at delivery

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Wire and Cable Specialties MC0320-1#D .032" Safety Lockwire (MS20995C32 0.81 mm, 1 lb 0.45 kg Disp, appx 362 ft 50 m)

Product ID: 342452782

Details

Brand
WCS WIRE AND
Colour
Finish Type
Polished
Item Weight
1 Pounds
Material
Stainless

🌊T302/304 stainless steel - corrosion resistant

🔩600 MPa tensile strength - aerospace-grade durability

🛠️0.032" diameter - precision gauge

2171558₫

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Description

🔒 Lock it down with aerospace-grade strength and style!

SMOOTH TWIST HANDLING - Designed to reduce wire snapping and over-twisting, ensuring flawless installation with standard safety wire tools.
AVIATION GRADE PRECISION - Engineered to meet NASM20995C / MS20995C standards for ultimate reliability in critical fastener security.
CONVENIENT 1 LB DISPENSER - Tangle-free, easy-pull spool supports efficient workflow in aviation, automotive, and industrial maintenance.
OPTIMAL GAUGE FOR PERFORMANCE - The .032" diameter offers the perfect balance of strength and flexibility for professional-grade fastening.
UNMATCHED CORROSION RESISTANCE - Crafted from premium T302/304 stainless steel to withstand marine, outdoor, and high-temp environments without rusting.

The Wire and Cable Specialties MC0320-1#D Safety Lockwire is a 0.032" diameter, 1 lb spool of T302/304 stainless steel wire engineered to meet stringent NASM20995C / MS20995C aerospace standards. With 600 MPa tensile strength and corrosion resistance, it ensures secure fastening in aviation, automotive, and industrial applications. Its smooth twist performance and convenient dispenser make it the go-to choice for professionals demanding reliability and efficiency.

Specifications

ASIN	B00EUROQUO
Best Sellers Rank	#47,494 in Home Improvement ( See Top 100 in Home Improvement ) #438 in Electrical Wire
Brand	WCS WIRE AND CABLE SPECIALTIES, INC.
Brand Name	WCS WIRE AND CABLE SPECIALTIES, INC.
Colour	stainless-steel
Country of Origin	USA
Customer Reviews	4.8 out of 5 stars 1,119 Reviews
Finish Type	Polished
Global Trade Identification Number	00035926000575
Grade Rating	Aerospace
Included Components	Wire
Item Diameter	0.03 Inches
Item Dimensions	7.6 x 7.1 x 8.9 Centimeters
Item Form	Spool
Item Length	362 Feet
Item Shape	Round
Item Thickness	0.81 Millimetres
Item Type Name	Safety Lockwire MS20995C32 .032 in (0.81 mm), 1 lb (0.45 kg) Disp., appx 362 ft (50 m)
Item Weight	454 g
Manufacturer	Wire and Cable Specialties
Material	Stainless Steel
Material Type	Stainless Steel
Model Number	MC0320-1#D
Number of Items	1
Number of Packs	1
Part Number	MC0320-1#D
Recommended Uses For Product	Securing hardware in automotive, industrial, and home maintenance applications
Tensile Strength	600 Megapascals
UPC	035926000575
Unit Count	1.0 Count
Wire Diameter	0.03 Inches

Reviews

A**G

Aviation grade

It’s wire for locking stuff😎

10.06.2026

D**C

Used to make clamps

Good .used with clamptide tool

12.08.2026

M**D

Thanks

fast delivery It was very good product

2.01.2025

K**R

Passt

Gut

8.09.2026

D**L

damaged product

Coil opened and does not fit back into case. disappointing given price

27.09.2023

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