The Russell 661893 bulkhead nut secures a -6 AN bulkhead fitting through a panel or firewall, threading onto a 9/16in-18 shank. It is machined from lightweight aluminum with a black anodized finish.
- Type: bulkhead nut adapter fitting
- AN size: -6 AN
- Thread: 9/16in-18
- Material: lightweight aluminum
- Finish: black anodized
- Part number: 661893
FAQ
What is the Russell 661893 for?
It is a bulkhead nut that locks a -6 AN bulkhead fitting through a panel.
What thread does the 661893 use?
It uses a 9/16in-18 thread.
What finish is the 661893?
It is black anodized aluminum.

