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National Stock Number:
3120-00-753-9011
Federal Supply Class:
3120
National Item Identification Number:
007539011
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:
| 1844M351 | 3D6E9 | MERITOR INDUSTRIAL PRODUCTS, LLC | | 1844M351 | 78500 | MERITOR HEAVY VEHICLE SYSTEMS, LLC | | 801E479 | 02413 | KERSEY / AMERICAN LAFRANCE A DIV OF FIGGIE INTERNATIONAL INC | | 7539011 | 19207 | U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM | | 743T5 | 56442 | DIAMOND REO TRUCK CO | | 3120007539011 | A00AM | E.C.A ETABLISSEMENT CENTRAL DESAPPROVISIONNEMENTS DES FORCES ARMEE | | 913704 | 58275 | SASCO INC CANADIAN DIV |
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Techincal Specification:
| CENTER HOLE SHAPE STYLE | ROUND | | CORNER SHAPE | SQUARE ALL CORNERS | | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR | | DIAMETER | 1.9390 INCHES MINIMUM AND 1.9490 INCHES MAXIMUM | | FEATURES PROVIDED | CASEHARDENED | | HARDNESS RATING | 89.0 ROCKWELL SUPERFICIAL 15-N MINIMUM AND 92.0 ROCKWELL SUPERFICIAL 15-N MAXIMUM OVERALL | | LUBRICATION FEATURE | GROOVE INTERNAL SURFACES | | OUTSIDE DIAMETER | 2.5000 INCHES NOMINAL | | OVERALL THICKNESS | 0.6140 INCHES MINIMUM AND 0.6180 INCHES MAXIMUM | | MATERIAL | STEEL COMP 1020 OR STEEL COMP 1015 OVERALL | | SPECIAL FEATURES | 3 HOLES 5/32 IN. DIA SPACED 120 DEG APART ON EXTERNAL SURFACE | | STYLE DESIGNATOR | ROUND | | SURFACE FINISH | 125.0 MICROINCHES LEFT SIDE | | SURFACE FINISH | 125.0 MICROINCHES RIGHT SIDE |
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