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National Stock Number:
3120-00-007-6320
Federal Supply Class:
3120
National Item Identification Number:
000076320
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:
| 2531AF | 01212 | FEDERAL-MOGUL CORP GOVERNMENT SALES DEPT | | 2P716 | 11083 | CATERPILLAR INC | | 6N8940 | 11083 | CATERPILLAR INC | | FP6N8940S | 01212 | FEDERAL-MOGUL CORP GOVERNMENT SALES DEPT |
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Techincal Specification:
| MATERIAL | ALUMINUM ALLOY A850.0 INNER LAYER | | STEEL OUTER LAYER | | MATERIAL DOCUMENT AND CLASSIFICATION | FEDERALOY A-300,CAGEC 11083 MFR REF SINGLE MATERIAL RESPONSE INNER LAYER | | SURFACE TREATMENT | TIN OVERALL | | STYLE DESIGNATOR | ROUND | | OUTSIDE DIAMETER | 5.0620 INCHES NOMINAL | | CORNER SHAPE | CHAMFERED OUTSIDE LEFT CORNER | | CHAMFERED OUTSIDE RIGHT CORNER | | SQUARE INSIDE RIGHT CORNER | | SQUARE INSIDE LEFT CORNER | | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR | | OVERALL THICKNESS | 0.1835 INCHES MINIMUM AND | | 0.1865 INCHES MAXIMUM | | CENTER HOLE SHAPE STYLE | ROUND | | DIAMETER | 4.0600 INCHES NOMINAL | | SURFACE CONDITION | GROUND |
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