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National Stock Number:
3120-00-917-6051
Federal Supply Class:
3120
National Item Identification Number:
009176051
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:
| 521-1311200PC102 | 80064 | NAVAL SHIP SYSTEMS COMMAND | | 75201A69 | 59560 | TERRY CORP OF CONNECTICUT SUB OF INGERSOLL-RAND CO | | DU32 | 26124 | GGB LLC | | G32DU | 26124 | GGB LLC |
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Techincal Specification:
| BEARING SURFACE HOLE DIAMETER | 0.1920 INCHES MINIMUM AND 0.2020 INCHES MAXIMUM FIRST | | CENTER HOLE SHAPE STYLE | ROUND | | CORNER SHAPE | SQUARE ALL CORNERS | | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR | | DIAMETER | 2.2500 INCHES MINIMUM AND 2.2600 INCHES MAXIMUM | | MATERIAL | PLASTIC POLYTETRAFLUOROETHYLENE AND LEAD OUTER LAYER | | MATERIAL | PLASTIC POLYTETRAFLUOROETHYLENE INTERMEDIATE LAYER | | MATERIAL | STEEL INNER LAYER | | OUTSIDE DIAMETER | 3.2400 INCHES MINIMUM AND 3.2500 INCHES MAXIMUM | | OVERALL THICKNESS | 0.0895 INCHES MINIMUM AND 0.0915 INCHES MAXIMUM | | STYLE DESIGNATOR | ROUND |
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