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National Stock Number:
3120-01-552-0974
Federal Supply Class:
3120
National Item Identification Number:
015520974
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:
| 233KD112A | 89619 | MACK TRUCKS, INC. | | 233KD112A | Z4117 | VOLVO GROUP GOVERNMENT SALES OCEANIA |
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Techincal Specification:
| CENTER HOLE SHAPE STYLE | ROUND | | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR | | DIAMETER | 1.1350 INCHES MINIMUM AND 1.1450 INCHES MAXIMUM | | HARDNESS RATING | 78.0 ROCKWELL SUPERFICIAL 15-T MINIMUM OVERALL | | OUTSIDE DIAMETER | 2.2500 INCHES NOMINAL | | OVERALL THICKNESS | 0.0590 INCHES MINIMUM AND 0.0620 INCHES MAXIMUM | | MATERIAL DOCUMENT AND CLASSIFICATION | SAE J460 NO 791 OR NO 797 ASSN STD ALL MATERIAL RESPONSES OVERALL | | MATERIAL | COPPER ALLOY SAE 797 OVERALL | | PART NAME ASSIGNED BY CONTROLLING AGENCY | THRUST WASHER REVERSE IDLER GEAR | | SPECIAL FEATURES | PART HAS 8 EQUALLY SPACED GROOVES ON BEARING SURFACE | | STYLE DESIGNATOR | ROUND |
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