2510-14-563-2079

3120-15-004-2851 3120150042851 150042851 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.

3120-27-004-2851 3120270042851 270042851 is a tubular shaped item with or without flange(s) designed to reduce friction and carry a kinetic load on the surface(s) parallel to the axis of the bore. it must have a visible or detectable means of lubrication or be self-lubricated. the over all length must exceed 25 percent of the outside diameter or the shortest distance between peripheral flats of the body, except for straight tubular (without flange or shoulder) items having a bearing surface(s) parallel to the axis of the bore only. includes items which are divided into two or more segments which include 180 degrees (3.141 radians) or less of the bearing periphery. see also bushing, sleeve; spacer, sleeve; and washer (as modified). excludes pin, hollow.

5305-20-004-2851 5305200042851 200042851 is an externally threaded fastener designed for insertion into holes in assembled parts, for mating with a preformed internal thread and for tightening or releasing by torquing the head. the threaded and unthreaded portions are both of the same nominal diameter of 0.190 inch (5 mm) or larger. head dimensions and sizes of threaded and unthreaded portions shall conform to internationally recognized fastener standards. the thread length being the controlled dimension, the grip length is not specified. a locking feature may be incorporated in the design of the head or threads. the head is not designed to be held or driven with an inserted driver or by the thumb and fingers. excludes bolt,machine; bolt,externally relieved body; bolt,internal wrenching; and screw,cap,socket head.

4310-19-004-2851 4310190042851 190042851 is a metallic device with coiled spring(s) or flexible finger(s) designed to fluctuate off and on a sealed surface. may contain a seat valve, valve guard, screws and the like. replaces poppet valve in small compressors and two cycle engines.

1680-00-004-2851 1680000042851 000042851 PAD,EJECTION SEAT