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National Stock Number:
3120-00-554-6996
Federal Supply Class:
3120
National Item Identification Number:
005546996
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:
| 578640-1 | 17576 | GOODRICH CORP DBA GOODRICH CORP | | 578640-1 | 6K4C8 | GOODRICH CORPORATION |
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Techincal Specification:
| CENTER HOLE SHAPE STYLE | ROUND | | CROSS-SECTIONAL SHAPE STYLE | SHOULDERED | | DIAMETER | 4.5000 INCHES MINIMUM AND 4.5020 INCHES MAXIMUM | | FLANGE THICKNESS | 0.0928 INCHES MINIMUM AND 0.0938 INCHES MAXIMUM | | OUTSIDE DIAMETER | 5.3750 INCHES NOMINAL | | OVERALL THICKNESS | 0.9688 INCHES NOMINAL | | MATERIAL | STEEL COMP 4140 OVERALL | | SHANK OUTSIDE DIAMETER | 4.7470 INCHES MINIMUM AND 4.7480 INCHES MAXIMUM | | STYLE DESIGNATOR | ROUND |
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