What is the part number for the cover mounting screws used on the NEMA 1(Indoor) QO and Homeline load centers?
Current design repair parts
There are 2 lengths of cover screws used with ALL NEMA 1(indoor) QO and Homeline load centers, a 3/4" and 1/2" long.
1) The 3/4" long cover screw is part number 4020513002K (bag of 10 screws). These screws are used with the NEMA 1(Indoor), Flush mount and Combination covers.
2) The 1/2" long cover screw is part number 4020513001K (bag of 10 screws). These screws are used with the QO surface mount covers or Combination covers used in a Surface mount application.
3) If White load center covers are used, the White head cover screw part number is 4020513003K(bag of 10 screws). This is the 3/4" long White head cover screw used with the White QO and Homeline NEMA 1 (indoor) covers.
NOTES: 1) The above cover screws are a special triple lead, thread-forming screw that is only available through authorized Square D Distributors and are NOT available at local hardware stores. SEE BELOW VISUAL 2) Both the above 3/4" and 1/2" screws have the exact same thread and can be use for either the NEMA 1(indoor) covers and/or the NEMA 3R(outdoor) Deadfront trims if needed. 3)Square D does NOT offer a cover screw longer than the 3/4"