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Manufacturer Resources
Product Specs
- Division:
- Electrical H1
- Product Group:
- Conduit Accessories
- Sub Division:
- Electrical-E H2
- Department:
- Electrical
- Product Subgroup:
- Plugs and Seals
Metallics 501KOSGSS – Frequently Asked Questions
1) What size knockout does the Metallics 501KOSGSS seal fit?
The 501KOSGSS is a 1/2 inch knockout seal, so it plugs a standard 1/2 inch trade size knockout in a panel, box, or enclosure wall. For larger openings you need the matching seal in that trade size, not this one.
2) Does the 501KOSGSS knockout seal come with a gasket, or do I have to order one separately?
The gasket comes with it. Metallics sells the 501KOSGSS as a seal and gasket set, so you get the sealing washer needed to close the knockout against the enclosure wall in one part number.
3) Is a 316 stainless knockout seal worth it over a plated steel one for a coastal or washdown install?
That is exactly what the 501KOSGSS is for. It is 316 stainless steel, the grade specified where chlorides are present, so it suits marine and coastal exposure, food and beverage washdown areas, and wastewater plants. On a dry indoor panel a plated steel seal does the same mechanical job, so the stainless version earns its place only where corrosion is the problem you are solving.
4) Can I use the 501KOSGSS to close off an unused knockout instead of leaving a blank bushing in it?
Yes. A knockout seal is the right part for permanently closing an unused 1/2 inch opening in an enclosure, and the included gasket is what keeps moisture and dust out of the box. A bushing protects conductors passing through an opening and does not seal it, so the two are not interchangeable.
5) What is the exact part number for the Metallics 1/2 inch stainless knockout seal?
Order it as Metallics 501KOSGSS. That single number covers the 1/2 inch knockout seal with its gasket in 316 stainless, USA made, and it is the only configuration offered under it, so there is no finish or option suffix to add.
How fast can I get the Metallics 501KOSGSS delivered?
Most orders ship the same day from our distribution partners, with quick delivery throughout the
continental
U.S.
Need it urgently? Contact Us for expedited shipping options.
Can I return it if it doesn’t work for me?
Yes—ZenSupply offers a hassle-free return policy. If the product isn’t the right fit,
reach out to our support team for a return authorization or setup a return by following our return instructions.
Does the Metallics 501KOSGSS come with a warranty?
Absolutely. The Metallics 501KOSGSS is backed by a manufacturer’s warranty.
For full warranty terms, check the product documentation or Contact Us.
How do I get technical support or installation help for the Metallics 501KOSGSS?
You can call, text, or email our expert support team for fast answers. We’re here to help with
product
selection,
installation tips, and troubleshooting. Contact Us
Why buy the Metallics 501KOSGSS from ZenSupply?
ZenSupply makes it easy to get the commercial door hardware you need—fast shipping, expert support,
and
rewards on
every order.
Our team is always ready to help you choose the right product for your project.