The Aeroquip FCM5556 is a black anodized aluminum AN bulkhead locknut for -3 AN bulkhead fittings. It threads onto the bulkhead end of an AN bulkhead fitting to lock it securely through a panel or firewall. It is machined from black anodized aluminum and is sold as a pair (two pieces).
- Type: Aluminum AN Bulkhead Locknut
- Size: -3 AN
- Material: black anodized aluminum
- Quantity: pair (2 pieces)
- Part number: FCM5556
FAQ
What is the Aeroquip FCM5556 for?
It is a black anodized aluminum AN bulkhead locknut that secures a -3 AN bulkhead fitting through a panel or firewall.
What size is it?
It is -3 AN.
What material and finish is it?
It is black anodized aluminum.
How many are included?
It is sold as a pair (two pieces).
Is this a genuine Aeroquip part?
Yes. It is genuine Aeroquip part number FCM5556.

