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National Stock Number:
3120-01-082-3360
Federal Supply Class:
3120
National Item Identification Number:
010823360
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:
| 35790 TB-1434 | 71041 | ALTRA INDUSTRIAL MOTION CORP. | | ASTM B 438 | 81346 | AMERICAN SOCIETY FOR TESTING AND MATERIALS | | SC3110-0018-1 | 12115 | DRS ICAS, LLC | | TT2101-1 | 70417 | CHRYSLER CORP AMPLEX DIV | | MS21783 | 96906 | MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M | | MS21783-14344 | 96906 | MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M |
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Techincal Specification:
| CENTER HOLE SHAPE STYLE | ROUND | | CORNER SHAPE | SQUARE ALL CORNERS | | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR | | DIAMETER | 0.8885 INCHES MINIMUM AND 0.8915 INCHES MAXIMUM | | OUTSIDE DIAMETER | 2.1150 INCHES MINIMUM AND 2.1350 INCHES MAXIMUM | | OVERALL THICKNESS | 0.1225 INCHES MINIMUM AND 0.1275 INCHES MAXIMUM | | MATERIAL | COPPER ALLOY OVERALL | | MATERIAL | OIL LUBRICATING LUBRICATION | | STYLE DESIGNATOR | ROUND |
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