COVID-19 Update (May 21st) — While our offices remain closed to the general public, Musson has resumed selected operations in compliance with county guidelines.  Non-contact pickup is available for customers who place their order online or by email with our sales/rentals team.

While most of our team continues to work remotely, select employees have their direct extension forward to their cell phone.  If unavailable, you can leave a voicemail.  In an emergency, please contact us at COVID-19@musson.com or by leaving a voicemail in our general mailbox, which is closely monitored.

Please note we will be closed on Monday, May 25th in honor of Memorial Day.  We'll re-open at 8:30 am on Tuesday (office still closed to public while we work from home).

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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