4820-14-406-8088

5365-01-390-9000 5365013909000 013909000 is a thin flat metal or plastic item of various peripheral shapes having a solid or laminated cross-section. it is designed to maintain a predetermined distance between two surfaces. for round items without a hole and having a solid rectangular cross-section use disk, solid, plain. items with either (1) a solid (not laminated) cross-section, or (2) a non-separable laminated cross-section with one hole centrally located, must have a thickness less than 0.006 inch (0.152 mm) for items less than 1/4 inch (6.35 mm) outside diameter or shortest distance across peripheral flats, and less than 0.016 inch (0.406 mm) for items 1/4 inch (6.35 mm) or more outside diameter, or shortest distance across peripheral flats. for items with thickness greater than those indicated above, see spacer, plate; washer, flat and spacer, ring. when thickness and/or outside diameter or shortest distance across peripheral flats is designated as a tolerance dimension, the maximum dimension will be used to determine compliance. see also shim stock, laminated; shim stock assortment, gasket; and bearing, washer, thrust.

4820-01-292-3492 4820012923492 012923492 is an item designed to enclose and support the internalpart(s) of a valve.

3040-14-390-9000 3040143909000 143909000 is a shaft having two or more different diameters (greater than 0.031 inches (0.79 millimeter)) along its length. it must have one or more of the following conditions: a specified surface finish designation in the range 1 to 125 microinches (0.025 to 3.2 micrometers) arithmetical average (aa), machined peripheral flat(s), circular groove(s), keyway(s), splines, threads, or holes. the ends and/or shoulders may be machined to accommodate bearings, couplings, and the like. it is not designed for use in aligning by fitting into corresponding holes of another item. for items used to support rotating members see axle(1), shouldered. for items not having any of the above conditions see pin, shoulder, headless. excludes shaft(1), straight; and axle(1), straight.

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