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National Stock Number:
3120-00-736-5482
Federal Supply Class:
3120
National Item Identification Number:
007365482
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:
| 47KM15 | 76040 | MACK TRUCKS INC PARTS OPN | | 7365482 | 19207 | U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM |
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Techincal Specification:
| BEARING SURFACE HOLE DIAMETER | 0.3110 INCHES MINIMUM AND 0.3120 INCHES MAXIMUM FIRST | | BEARING SURFACE HOLE QUANTITY | 2 FIRST | | CENTER HOLE SHAPE STYLE | ROUND | | CORNER SHAPE | SQUARE ALL CORNERS | | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR | | DIAMETER | 2.5310 INCHES NOMINAL | | FEATURES PROVIDED | CASEHARDENED | | LUBRICATION FEATURE | GROOVE EXTERNAL SURFACE MEMBER | | LUBRICATION FEATURE | GROOVE FLAT BEARING SURFACE | | OUTSIDE DIAMETER | 3.6880 INCHES NOMINAL | | OVERALL THICKNESS | 0.4370 INCHES MINIMUM AND 0.4380 INCHES MAXIMUM | | MATERIAL | STEEL COMP 4023 OR STEEL COMP 8615 OVERALL | | STYLE DESIGNATOR | ROUND |
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