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National Stock Number:
3120-00-880-1970
Federal Supply Class:
3120
National Item Identification Number:
008801970
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:
| 75201A55 | 59560 | TERRY CORP OF CONNECTICUT SUB OF INGERSOLL-RAND CO | | DU09 | 73680 | GARLOCK SEALING TECHNOLOGIES LLC | | G09DU | 26124 | GGB LLC |
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Techincal Specification:
| BEARING SURFACE HOLE DIAMETER | 0.0990 INCHES MINIMUM AND 0.1090 INCHES MAXIMUM FIRST | | BEARING SURFACE HOLE QUANTITY | 1 FIRST | | CENTER HOLE SHAPE STYLE | ROUND | | CORNER SHAPE | SQUARE ALL CORNERS | | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR | | DIAMETER | 0.6870 INCHES MINIMUM AND 0.6970 INCHES MAXIMUM | | MATERIAL | COPPER ALLOY AND PLASTIC POLYTETRAFLUOROETHYLENE INTERMEDIATE LAYER | | MATERIAL | PLASTIC POLYTETRAFLUOROETHYLENE AND LEAD OUTER LAYER | | MATERIAL | STEEL INNER LAYER | | OUTSIDE DIAMETER | 1.1770 INCHES MINIMUM AND 1.1870 INCHES MAXIMUM | | OVERALL THICKNESS | 0.0585 INCHES MINIMUM AND 0.0605 INCHES MAXIMUM | | STYLE DESIGNATOR | ROUND |
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