CHECKPOINT Loose Wheel Nut Indicator: Loose Nut Indicator, Universal, 22 mm Hex Size
The CHECKPOINT Loose Wheel Nut Indicator (MPN 72639) is a universal plastic loose nut indicator in yellow, with a 22 mm hex size and 9/32 in thickness. It provides a visual indication of loosening wheel nuts across…
SKU 3G-OTH-480376
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Product Description
The CHECKPOINT Loose Wheel Nut Indicator (MPN 72639) is a universal plastic loose nut indicator in yellow, with a 22 mm hex size and 9/32 in thickness. It provides a visual indication of loosening wheel nuts across universal wheel types.
Frequently Asked Questions
What is the CHECKPOINT Loose Wheel Nut Indicator used for?
The CHECKPOINT Loose Wheel Nut Indicator (MPN 72639) provides a visual warning when a wheel nut begins to loosen on trucks, trailers, and other heavy equipment. Its yellow plastic body shifts position if the nut rotates, helping maintenance teams spot potential wheel-separation hazards before failure occurs.
What are the specifications of the CHECKPOINT 72639 loose nut indicator?
The CHECKPOINT 72639 is a universal loose nut indicator with a 22 mm hex size and 9/32 in thickness. It is made of yellow plastic and fits universal wheel types. The indicator is designed for visual detection of loosening wheel nuts on commercial vehicles and industrial equipment.
Where to buy CHECKPOINT loose wheel nut indicators worldwide?
3G Electric supplies the CHECKPOINT 72639 loose wheel nut indicator to customers worldwide. As a global industrial sourcing partner, we handle logistics, customs clearance, and delivery to your site. Contact us for pricing and lead time on this universal yellow plastic indicator.
How to install CHECKPOINT loose nut indicators on wheel nuts?
Install the CHECKPOINT 72639 indicator by pressing it over the wheel nut after torquing to specification. Ensure the indicator's hex fits snugly over the 22 mm nut. Position the pointer toward a fixed reference on the wheel hub. Regularly inspect for any rotation of the indicator, which signals a loosening nut.
CHECKPOINT Products
3G Electric supplies CHECKPOINT loose lug nut indicators. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.









