Blue Anodized Aluminum Locknut (AN 924), -08 Size

For AN 924 bulkhead applications at the -08 dash size, this is exactly what you need. It's an Eaton Aeroquip aluminum bulkhead locknut built to secure bulkhead fittings in fluid transfer systems. The blue anodized finish adds corrosion resistance on top of the aluminum construction, so it holds up well in environments where moisture or fluid exposure is a concern. If you're cross-referencing part numbers, it also goes by C1CQ61 and FCM2103, which sometimes helps when sourcing from different suppliers.

For AN 924 bulkhead locknuts in -08 dash size, this is the matching size and style. It is an Eaton Aeroquip aluminum bulkhead locknut with a blue anodized finish, sold under SKU FBM2103 and also cross referenced as C1CQ61 and FCM2103.

This locknut is an -08 size, so ensure your system is compatible with that dash size.