3030-14-503-3250

3030-14-535-9511 3030145359511 145359511 is a flat internally toothed belt or a round belt with protuding pins, designed to engage with corresponding teeth or corresponding grooves on the sprockets over which they run.

5365-99-807-7398 5365998077398 998077398 is a circular-shaped item designed to maintain predetermined distance between assembled parts and/or for distributing pressure or preventing endwise movement between member parts. it has a solid cross-section and two flat parallel bearing surfaces. the distance between the bearing surfaces perpendicular to the axis of the centrally located hole shall not exceed 25 percent of the outside diameter. the diameter of the centrally located hole must exceed 75 percent of the outside diameter. excludes laminated items. for items manufactured from impregnated graphite or lubricated nonmetallic materials, excluding felt or plastics, see gasket. for items manufactured from lubricated plastics, see bearing, washer, thrust. for items manufactured from lubricated felt, see felt, mechanical, preformed. excludes disk, valve; insulator washer; and shim. see also spacer, plate and spacer, sleeve.

1285-12-179-2151 1285121792151 121792151 is an enclosure generally fabricated of sheet material designed to accommodate (but does not include) electrical/electronic equipment so that the equipment may be operated without removal. it may include wires, cables, terminal boards, connectors, etc., required for equipment operation. for items designed to accommodate equipment mounted on panels, see rack, electrical equipment. see also case (2) (as modified). excludes interconnecting box; interconnecting cabinet; junction box; and terminal box.

3030-14-519-7818 3030145197818 145197818 BELT,FLAT

5960-21-462-0115 5960214620115 214620115 is an inclosure, including two or more electrodes, in which a flow of electrons may occur through a vacuum or a contained gas. the electronic conduction takes place either by means of electrons emitted from a cathode or by ionization of the contained gas. includes phototubes (photoemissive type only), geiger-mueller tubes, traveling wave tubes, cathode ray tubes and microwave tubes (klystron, magnetron, or the like). excludes items whose primary purpose is to produce light energy. also excludes photoelectric cell; and semiconductor device (as modified).