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National Stock Number:
3120-00-661-3141
Federal Supply Class:
3120
National Item Identification Number:
006613141
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.
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Manufacturer Information:
| 1229E993 | 3D6E9 | MERITOR INDUSTRIAL PRODUCTS, LLC | | 1229E993 | 78500 | MERITOR HEAVY VEHICLE SYSTEMS, LLC | | 1229E993 | 7S526 | B.T.M.C. CORPORATION | | 1229E993 | K4998 | MERITOR HEAVY VEHICLE SYSTEMS LTD | | 4036P11 | 27618 | TAYLOR MACHINE WORKS INC | | RHY1-23 | 27996 | HEIL ENVIRONMENTAL INDUSTRIES |
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Techincal Specification:
| BEARING SURFACE HOLE DIAMETER | 0.2500 INCHES NOMINAL FIRST | | BEARING SURFACE HOLE QUANTITY | 4 FIRST | | CENTER HOLE SHAPE STYLE | ROUND | | CORNER SHAPE | SQUARE ALL CORNERS | | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR | | DIAMETER | 3.2620 INCHES MINIMUM AND 3.2670 INCHES MAXIMUM | | FEATURES PROVIDED | CASEHARDENED | | LUBRICATION FEATURE | GROOVE FLAT BEARING SURFACE | | OUTSIDE DIAMETER | 4.8120 INCHES NOMINAL | | OVERALL THICKNESS | 0.1210 INCHES MINIMUM AND 0.1250 INCHES MAXIMUM | | MATERIAL DOCUMENT AND CLASSIFICATION | 66 FED STD SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL COMP 1010 OVERALL | | STYLE DESIGNATOR | ROUND |
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