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National Stock Number:
3120-00-516-6292
Federal Supply Class:
3120
National Item Identification Number:
005166292
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:
| 553029 | 96400 | OUTBOARD MARINE CORP - GALESBURG |
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Techincal Specification:
| MATERIAL | STEEL COMP 1010 INNER LAYER | | COPPER ALLOY 937 OUTER LAYER | | STYLE DESIGNATOR | ROUND W/SQUARE KEYS | | KEY LENGTH | 0.1875 INCHES NOMINAL | | OUTSIDE DIAMETER | 2.5600 INCHES MINIMUM AND | | 2.5660 INCHES MAXIMUM | | KEY WIDTH | 0.3880 INCHES MINIMUM AND | | 0.3940 INCHES MAXIMUM | | KEY QUANTITY | 2 | | CORNER SHAPE | SQUARE ALL CORNERS | | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR | | OVERALL THICKNESS | 0.1200 INCHES MINIMUM AND | | 0.1240 INCHES MAXIMUM | | CENTER HOLE SHAPE STYLE | EXTENDED ROUND W/KEY | | DIAMETER | 1.4060 INCHES NOMINAL | | CENTER HOLE KEY QUANTITY | 2 | | LUBRICATION FEATURE | GROOVE FLAT BEARING SURFACE | | SPECIAL FEATURES | FOUR GROOVES ON BRONZE SIDE |
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