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National Stock Number:
3120-00-085-7607
Federal Supply Class:
3120
National Item Identification Number:
000857607
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:
| 584118 | 22907 | HELIGEAR ACQUISITION CO. | | 584118 | 28596 | ARROW GEAR LLC |
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Techincal Specification:
| CENTER HOLE SHAPE STYLE | ROUND | | CORNER SHAPE | SQUARE ALL CORNERS | | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR | | DIAMETER | 0.0880 INCHES MINIMUM AND 0.1900 INCHES MAXIMUM | | FEATURES PROVIDED | CASEHARDENED | | HARDNESS RATING | 80.5 ROCKWELL A MINIMUM AND 84.0 ROCKWELL A MAXIMUM INSIDE DIAMETER SURFACE OF BODY | | OUTSIDE DIAMETER | 0.4000 INCHES NOMINAL | | OVERALL THICKNESS | 0.0450 INCHES MINIMUM AND 0.0470 INCHES MAXIMUM | | MATERIAL | STEEL COMP E9310 OVERALL | | SPECIAL FEATURES | CORE HARDNESS,ROCKWELL A SCALE 32.0 MIN,42.0 MAX | | STYLE DESIGNATOR | ROUND | | SURFACE FINISH | 16.0 MICROINCHES LEFT SIDE | | SURFACE FINISH | 16.0 MICROINCHES RIGHT SIDE | | SURFACE FINISH | 32.0 MICROINCHES INSIDE DIAMETER SURFACE OF BODY | | SURFACE FINISH | 32.0 MICROINCHES LARGEST OUTSIDE DIAMETER | | SURFACE TREATMENT | OXIDE OVERALL |
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