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National Stock Number:
3120-00-753-8661
Federal Supply Class:
3120
National Item Identification Number:
007538661
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:
| 2405T2 | 56442 | DIAMOND REO TRUCK CO | | 7538661 | 19207 | U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM | | KC1728 | 56442 | DIAMOND REO TRUCK CO | | 914875 | 58275 | SASCO INC CANADIAN DIV | | 966W | 72447 | DANA COMMERCIAL VEHICLE MANUFACTURING, LLC | | 966W | 95019 | DANA CORP SPICER TRANSMISSION DIV |
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Techincal Specification:
| CENTER HOLE KEY BOTTOM RADIUS | 0.6250 INCHES NOMINAL | | CENTER HOLE KEY WIDTH | 0.2960 INCHES NOMINAL | | CENTER HOLE KEY LENGTH | 0.1350 INCHES NOMINAL | | CENTER HOLE KEY QUANTITY | 2 | | CENTER HOLE SHAPE STYLE | EXTENDED ROUND W/KEY | | CORNER SHAPE | SQUARE ALL CORNERS | | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR | | DIAMETER | 1.4060 INCHES NOMINAL | | FEATURES PROVIDED | CASEHARDENED | | OUTSIDE DIAMETER | 2.0000 INCHES NOMINAL | | OVERALL THICKNESS | 0.1220 INCHES MINIMUM AND 0.1240 INCHES MAXIMUM | | MATERIAL | STEEL COMP 1020 OR STEEL COMP 1015 OVERALL | | STYLE DESIGNATOR | ROUND | | SURFACE FINISH | 16.0 MICROINCHES LEFT SIDE | | SURFACE FINISH | 16.0 MICROINCHES RIGHT SIDE |
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