2840-00-650-2813

2815-14-276-1672 2815142761672 142761672 is a circular, single or multipiece item, metallic or nonmetallic in composition, designed to be fitted in a circumferential groove in a piston and to spring outward against the cylinder wall to function as a seal or wiper. it is supplied in various cross-sectional shapes and is cut through at one point to allow for installation in the piston ring groove. it may include an expander. excludes packing, preformed; retainer, oil seal; retainer, packing; ring, retaining; ring wiper; and seal ring, metal.

5306-00-130-7793 5306001307793 001307793 is an externally threaded fastener bent approximately 180 degrees (3.141 radians) in the shape of the letter u and with both ends threaded.

5977-00-636-0088 5977006360088 006360088 is an item specifically designed to be used in the transfer of electrical energy to or from another conducting surface. either the brush or the surface is continually moving during the transfer of energy. the brush is usually composed in part of some form of the element carbon. includes: (1) a single brush either with or without an attached shunt (flexible wire lead) and/or a helical or flat type pressure spring; (2) a split brush composed of two or more pieces (wafers), which are used in place of one brush usually connected together by individual shunts to a common terminal; (3) paired brushes composed of two identical or non-identical brushes connected together by a common shunt either with or without pressure springs or connected by individual shunts to a common terminal, or with pressure springs and connected to a common bar, bracket or the like either with or without individual shunts; (4) multiple brushes composed of more than two identical or non-identical brushes without pressure springs connected by individual shunts to a common terminal, or with pressure springs and connected to a common bar, bracket or the like by individual shunts. does not include moving contacts which make and slide past stationary contacts, but are stationary while the circuit is conducting, such as the sliding contacts on a rheostat or the stationary contact on a synchro. excludes: contact, electrical; and contact assembly, electrical.

7125-99-465-6107 7125994656107 994656107 is an item normally constructed of wood or metal which is used for storage purposes. do not use if a more specific name is available.