B-nut

A nut used in aircraft tubing to connect a piece of flared tubing to a threaded fitting. B-nuts are used with a sleeve that is slipped over the flared tubing.

References in periodicals archive ?

During a plane captain preflight inspection of the engine compartment of an SH-60B, Petty Officer Ramosruano noticed a missing torque stripe on the B-nut for the load-demand-spindle (LDS) cable.

Bravo Zulu: sailors and marines preventing mishaps

Pilot-services-panel "B-nut" torque was established (incorporated in IETM May 2004 release).

Hypoxia in the hornet: what we know, and what we're doing

Additional examination of the wastegate oil inlet hose at the B-nut revealed that 4-5 threads were engaged and the B-nut was finger loose.

Unapproved parts: deciding to skimp on new turbocharger wastegate controller oil lines is not a good choice

He found a cracked B-nut in an obstructed location on the underside of the No.

Bravo Zulu: sailors and marines preventing mishaps

The crack was found on the end B-nut taper at the fuel control.

Bent, corroded, cracked

Petty Officer Johnson also found a loose "B-nut" on the engine-start pump while troubleshooting a leak on a different aircraft.

Bravo Zulu

Post-crash examination revealed the B-nut fitting securing the fuel line to the fuel flow transducer was loose.

Cessna T182T: February 27, 2007, Athens, Texas

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