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National Stock Number:
3120-00-450-0217
Federal Supply Class:
3120
National Item Identification Number:
004500217
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:
| 2578765-001A | 06848 | HONEYWELL INTERNATIONAL INC | | 2578765-001A | 13002 | GOODRICH CORPORATION | | 2578765-001A | 17576 | GOODRICH CORP DBA GOODRICH CORP | | 2578765-001A | 55284 | HONEYWELL INTERNATIONAL INC. | | 2578765-001A | 6K4C8 | GOODRICH CORPORATION |
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Techincal Specification:
| CENTER HOLE SHAPE STYLE | ROUND | | CORNER SHAPE | CHAMFERED FIRST OUTSIDE CORNER | | CORNER SHAPE | SQUARE FIRST INSIDE CORNER | | CORNER SHAPE | SQUARE SECOND INSIDE CORNER | | CORNER SHAPE | SQUARE SECOND OUTSIDE CORNER | | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR | | DIAMETER | 3.5000 INCHES NOMINAL | | OUTSIDE DIAMETER | 3.9330 INCHES MINIMUM AND 3.9380 INCHES MAXIMUM | | OVERALL THICKNESS | 0.0895 INCHES MINIMUM AND 0.0915 INCHES MAXIMUM | | MATERIAL | COPPER ALLOY INTERMEDIATE LAYER | | MATERIAL | PLASTIC INNER LAYER | | MATERIAL | STEEL OUTER LAYER | | STYLE DESIGNATOR | ROUND | | SURFACE FINISH | 125.0 MICROINCHES OVERALL |
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