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National Stock Number:
3120-01-277-4457
Federal Supply Class:
3120
National Item Identification Number:
012774457
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:
| 319684 | 1UVT5 | BRP US INC | | 319684 | 32195 | OUTBOARD MARINE CORP JOHNSON MOTORS DIV | | 319684 | 80256 | OUTBOARD MARINE CORP |
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Techincal Specification:
| CENTER HOLE SHAPE STYLE | ROUND | | CORNER SHAPE | SQUARE ALL CORNERS | | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR | | DIAMETER | 0.9250 INCHES NOMINAL | | HARDNESS RATING | 60.0 ROCKWELL C MINIMUM AND 64.0 ROCKWELL C MAXIMUM OVERALL | | OUTSIDE DIAMETER | 1.3670 INCHES MINIMUM AND 1.3730 INCHES MAXIMUM | | OVERALL THICKNESS | 0.0910 INCHES MINIMUM AND 0.0930 INCHES MAXIMUM | | MATERIAL DOCUMENT AND CLASSIFICATION | SAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL COMP 1074 OVERALL | | STYLE DESIGNATOR | ROUND | | SURFACE CONDITION | GROUND | | SURFACE FINISH | 65.0 MICROINCHES LEFT SIDE | | SURFACE FINISH | 65.0 MICROINCHES RIGHT SIDE |
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