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National Stock Number:
3120-00-661-4405
Federal Supply Class:
3120
National Item Identification Number:
006614405
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:
| 13397-96 | 29899 | CALGON CARBON UV TECHNOLOGIES LLC |
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Techincal Specification:
| CENTER HOLE SHAPE STYLE | ROUND | | CORNER SHAPE | SQUARE ALL CORNERS | | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR | | DIAMETER | 8.2500 INCHES MINIMUM AND 8.2600 INCHES MAXIMUM | | LUBRICATION FEATURE | GROOVE FLAT BEARING SURFACE | | OUTSIDE DIAMETER | 11.9850 INCHES MINIMUM AND 12.0150 INCHES MAXIMUM | | OVERALL THICKNESS | 0.4975 INCHES MINIMUM AND 0.5025 INCHES MAXIMUM | | SPECIAL FEATURES | 6 SLOTS EQUALLY SPACED ON BOTH FLAT BEARING SURFACE,HOLES,SLOTS AND GROOVES INTERSECT | | STYLE DESIGNATOR | ROUND |
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