3820-00-161-4872

4710-99-863-7696 4710998637696 998637696 is a length of tubing, straight, or prebent to a predetermined angle, with added component(s) that forms an end connection on one or both ends. for flexible tube assemblies, see hose assembly (as modified). for items having perforations in the tubing or attachments, see tube assembly, fire extinguishing system. excludes items having integral preformed or plain ends, tube, bent (as modified), and items which are branched or forked.

5340-99-126-9813 5340991269813 991269813 is a bracket of various shapes (other than angle), designed to be attached to a supporting surface for the specific purpose of positioning, aligning and/or supporting another item. excludes brace (as modified); bracket, angle; and bracket, double angle. see also bracket (1), electrical connector; bracket, fire extinguisher; bracket, solenoid; bracket, track, sliding door; and retainer (as modified).

4730-99-972-6736 4730999726736 999726736 FITTING,SPECIAL

4710-99-917-4021 4710999174021 999174021 is two or more tube assembly, metal, of different characteristics stocked as one unit.

5306-99-401-8612 5306994018612 994018612 is an externally threaded fastener whose unthreaded portion is of a specified grip length, plated or unplated, and is machined to a tolerance of one thousandth (0.001) of an inch (0.025 mm) or less of a specific diameter for items one inch (25 mm) or less in diameter. items over one inch (25 mm) in diameter shall have a tolerance of fifteen ten-thousandths (0.0015) of an inch (0.038 mm) or less. the nominal major diameter of the threads shall be at least one thousandth (0.001) of an inch (0.025 mm) below the minimum shank diameter, but not below the minimum major diameter for applicable class of fit, as shown in the screw thread standards, fed std h28 and/or other nationally recognized standards. the head is not designed to be held or driven with an inserted driver, nor is it designed for rotation by the thumb and fingers. a locking feature may be incorporated in the design of the head or threads. for items having close tolerance, and fabricated from material having 160,000 pounds per square inch (1100 megapascals) minimum tensile strength, see bolt, shear. for items fabricated from material having less than 160,000 pounds per square inch (1100 megapascals) minimum tensile strength and not having a close tolerance, see bolt, machine.