4710-00-148-1590

3120-37-515-7296 3120375157296 375157296 is a tubular shaped unthreaded item with or without a flange at one end designed to be inserted into a hole to reduce the inside diameter of the hole and to protect the surrounding body structure from damage resulting from stress, strain, and/or vibration. the overall length must exceed 25 percent of the outside diameter or the shortest distance between peripheral flats of the body. includes items which are divided into two or more segments which includes 180 degrees (3.141 radians) or less of the bearing periphery. for items made of rubber, see bushing, nonmetallic. see also bearing, sleeve; bushing, tapered; spacer, sleeve; insulator, bushing; and bushing, electrical conductor. excludes bushing, drill, jig.

5305-00-515-7296 5305005157296 005157296

4710-14-515-7296 4710145157296 145157296 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.