5325-00-148-1736 RING,RETAINING Index 2825-00-148-1749 VALVE STEM

National Stock Number:
3120-00-148-1737

Federal Supply Class:
3120

National Item Identification Number:
001481737

Description:
BEARING,WASHER,THRUST

Detail:
An item of any peripheral shape usually having one flat or spherical surface and a centrally located hole. It is designed for applications involving moving (kinetic) loads. Except for items fabricated from bearing quality synthetic (plastic) or composed of multilayer material, one bearing surface must either have a specific surface finish designation of 32 microinch (0.8 micrometre) or less, arithmetical average (aa) (arithmetic mean deviation) or one of the following conditions: be lapped or ground; have visible or detectable means of lubrication; grooves, indentations; or self-lubrication. The thickness must not exceed 25 percent of the outside diameter of the shortest distance between peripheral flats (when thickness and/or outside diameter is designated as a tolerance dimension, the maximum dimension will be used to determine compliance). Excludes straight, tubular (without flange) items having a bearing surface(s) parallel to the axis of the bore only. See also WASHER, FLAT and SPACER, SLEEVE.


Manufacturer Information:
D31684PC1T0316712SIEMENS ENERGY, INC.
G6115PC2116712SIEMENS ENERGY, INC.
HD395CX4UL16712SIEMENS ENERGY, INC.


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