Adjustable fittings for attaching support members to fluid conduits, including aircraft fuel conduits, and associated systems and methods

An aircraft system, comprising:

• a fluid conduit carried by an aircraft;
• a first housing fixedly attached to the fluid conduit, the first housing including a first attachment feature having a projection extending outwardly from the housing;
• a second housing fixedly attached to the fluid conduit and spaced apart from the first housing, the second housing including another first attachment feature;
• a support member having a first attachment portion positioned proximate to the first housing and a second attachment portion proximate to the second housing, the first attachment portion including a first support member aperture positioned over at least a portion of the first attachment feature and the second attachment portion including a second support member aperture positioned over at least a portion of the other first attachment feature;
• and
• a first adjustable fitting coupling the first attachment portion of the support member to the first housing, and a second adjustable fitting coupling the second attachment portion of the support member to the second housing, each adjustable fitting including
• a first side;
• a second side opposite the first side, the second side including an engagement portion positioned within at least a portion of the corresponding support member aperture;
• and
• a second attachment feature mated with the corresponding first attachment feature, the second attachment feature having an aperture, and wherein the second attachment feature has a center point eccentrically offset from a center point of the adjustable fitting.