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National Stock Number: 3120-01-108-3832
Federal Supply Class: 3120
National Item Identification Number: 011083832
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:
| 69222 TB-1218 | 71041 | ALTRA INDUSTRIAL MOTION CORP. | | 993-149717 ITEM 13 | 0DHG4 | GULF COAST HOLDINGS INC DBA UNIDYNAMICS | | TB-1218 | 71041 | ALTRA INDUSTRIAL MOTION CORP. | | 993-149717 ITEM 13 | 95310 | UNIDYNAMICS/SAINT LOUIS INC CONROE OPNS | | 993-149717 ITEM 13 | 98523 | JERED LLC |
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Techincal Specification:
| CENTER HOLE SHAPE STYLE | ROUND | | CORNER SHAPE | SQUARE ALL CORNERS | | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR | | DIAMETER | 0.7505 INCHES MINIMUM AND 0.7535 INCHES MAXIMUM | | OUTSIDE DIAMETER | 1.3700 INCHES MINIMUM AND 1.3800 INCHES MAXIMUM | | OVERALL THICKNESS | 1.3725 INCHES MINIMUM AND 1.3775 INCHES MAXIMUM | | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-B-5687,TY 1,COMP A MIL SPEC SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | COPPER ALLOY OVERALL | | MATERIAL | OIL LUBRICATING LUBRICATION | | STYLE DESIGNATOR | ROUND |
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