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National Stock Number:
3120-99-428-5511
Federal Supply Class:
3120
National Item Identification Number:
994285511
Description:
BEARING,WASHER,THRU
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.
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Manufacturer Information:
| F1357 | K7495 | IMO PRECISION CONTROLS LTD | | F1357 | KCTX8 | MINISTRY OF DEFENCE, DES SHIPS,MARINE PROPULSION SYSTEMS, MARITIME | | NO PRIMARY REF 99-428-5511 | IREF0 | THIS NCAGE IS USED TO INFORM THAT THE DESIGN CONTROL AUTHORITY CANNOT BEESTABLISHED OR THE ITEM OF SUPPLY IS NO LONGER M |
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