KGA Enclosures Ltd
Contacting KGA Enclosures
Tel: +44 (0)1535 636856
Products to be ordered via E-Mail (No Online Shop)
Bank Transfer / Credit/Debit Cards / PayPal Payments all accepted
Please send all orders and enquiries to, we will respond with pricing confirmation and stock availability

Hammond Manufacturing - HPN4SS Series

HPN4SS Series Hole Plugs
Type 4X Stainless Steel - UR/cUR
Product Features
  • Designed to seal unused pushbutton holes, conduit openings and knockout holes against dust, oil and water.
  • Standard pushbutton size is 30.5mm.
  • Available in 8 sizes.
  • Finished in brushed natural 304 stainless steel.
  • Oil resistant gasket.
  • Secured with an 10-24 x 0.55" threaded stud and stainless steel wing nut.
  • Recognized component UR and cUR.
    • Type 1, 3, 3R, 4, 4X, 12 and 13
Product Resources
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Hammond Manufacturing Enclosures

KGA Enclosures Ltd are fully authorised distributors of the entire Hammond Manufacturing product ranges including the Hammond Manufacturing Enclosures range. All Hammond Manufacturing products are available from KGA Enclosures at great competitive pricing.

To purchase any product or for more information simply call 01535 636856 (Outside UK: +44 1535 636856) or email Or view the related product ranges from Hammond Manufacturing which are all available at KGA Enclosures:
HPN4SS Series - Hammond Manufacturing Enclosures - KGA Enclosures Ltd
Product Options
Part No Colour Contents Max Hole Diameter Plug Diameter 1+ 10+ 25+ More
HP100SSN4 Natural Pack of 1 35mm1.38" 48mm1.88" P.O.A. P.O.A. P.O.A. More....
HP125SSN4 Natural Pack of 1 43mm1.69" 56mm2.19" P.O.A. P.O.A. P.O.A. More....
HP150SSN4 Natural Pack of 1 51mm2.00" 64mm2.50" P.O.A. P.O.A. P.O.A. More....
HP200SSN4 Natural Pack of 1 64mm2.50" 76mm3.00" P.O.A. P.O.A. P.O.A. More....
HP22SSN4 Natural Pack of 1 22mm0.88" 31mm1.22" P.O.A. P.O.A. P.O.A. More....
HP50SSN4 Natural Pack of 1 22mm0.88" 35mm1.38" P.O.A. P.O.A. P.O.A. More....
HP75SSN4 Natural Pack of 1 27mm1.06" 40mm1.56" P.O.A. P.O.A. P.O.A. More....
HPBSSN4 Natural Pack of 1 32mm1.25" 44mm1.75" P.O.A. P.O.A. P.O.A. More....
Hammond Manufacturing - Customisation Services
Modified Electronic Enclosures
Almost every enclosure will need some kind of modification to be useful. In house modifications can be tedious, over complicated and a distraction from your main core business. A third party shop can add time and expense. Let us help you to deliver quality products made to your exact specifications.
Hammond Manufacturing Customisation Services
Why choose Hammond Manufacturing to modify your enclosure
  • Hammond Manufacturing offers a wide selection and massive inventory of enclosures ready to be modified.
  • Typically the minimum order quantity is 25 pieces. This can vary depending on product and service required. Please note KGA Enclosures does not add on any charges.
  • Hammond has an experience enclosure modification team and two dedicated modification facilities in North America and the United Kingdom. They are knowledgeable, available and capable.
  • Hammond Manufacturing helps eliminate scrap and design errors with approval drawings to confirm correct interpretation of your deign required. Many orders will also include a fast delivery of sample enclosures for your inspection. These steps ensure that your assembly fits perfectly before heading into the mass production stage.
Popular modification services offered:
  • Holes
  • Cutouts
  • Tapping and countersinking.
  • Pressed-in hardware (Studs, Standoffs)
  • Silk screening
  • UV Printing
  • Special colours
  • Special length extrusions
  • Pre-Installed accessories
  • Available services vary by product
For Product Availability, Price Confirmation and All Ordering Please E-Mail
Contact Us
Call Us - 01535 636856 +44 (0)1535 636856
E-Mail Us -
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VAT No: GB 204612745
Business No: 09341700