Description
Keep your hydraulic and fuel line connections locked down tight with the Aeroquip Alum #6 Locknut in sleek black anodized aluminum. Designed for bulkhead fitting applications, this nut delivers a secure, rattle-free hold that serious builders and racing enthusiasts demand. Grab a pair and build with confidence knowing every connection is buttoned up right.
- Brand: Aeroquip
- MPN: FCM5100
- Type: Bulkhead Locknut
- Size: 6 AN
- Material: Aluminum
- Finish: Black Anodized
- Quantity: Sold as a Pair
Whether you’re building a race car, hot rod, or high-performance street machine, the Aeroquip FCM5100 is a trusted, precision-made solution that fits seamlessly into any AN plumbing setup. The durable black anodized finish resists corrosion while adding a clean, professional look under the hood.






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