COVID-19 Update — On March 16th our county ordered all non-essential businesses to close until Tuesday, April 7th in order to help slow the spread of COVID-19 (Coronavirus) in our community.  For more details, see our official announcement.

While our team continues to work remotely from home, our phone line now goes directly to voicemail.  In an emergency, please contact us at COVID-19@musson.com.

At this time, we are scheduled to resume full operations on Wednesday, April 8th.  However, this may occur earlier/later based on guidelines from healthcare professionals.

S4 - 1/4" Hex Nut

$0.25 each
SKU
94-5020
Part
HW534
- +

This Hex Nut is used with full size Source Four ERS lens barrels and is what the focus knob screws into.  Also used in the lamp burner of Source Four ERS fixtures to secure the ground wire.  While we use the name lamp burner, it is also called a lamp burner, burnbase or burn base.

Basics
ManufacturerETC
Part #HW534
Our SKU94-5020
Dimensions
Box L x W x H0.42" x 0.5" x 0.22"
  • 2.22
  • B, 07-2015
  • Apr. 5th, 2018
For fixtures made after September 2004.
(look on fixture yoke for date made)
  • 788.61
  • C, 02-2001
  • Apr. 5th, 2018
For fixtures made before September 2004.
(look on fixture yoke for date made)
  • 1.77
  • A, 09-2007
  • Apr. 5th, 2018
  • 1.08
  • A, 09-2007
  • Apr. 9th, 2018
For fixtures made after September 2004.
(look on fixture yoke for date made)
  • 637.04
  • D, 12-2003
  • Apr. 9th, 2018
For fixtures made before September 2004.
(look on fixture yoke for date made)
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