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National Stock Number:
3120-00-735-4968
Federal Supply Class:
3120
National Item Identification Number:
007354968
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:
| S6110-26065-001 | 78286 | SIKORSKY AIRCRAFT CORPORATION | | S6110-26065-1 | 33682 | W AND G MACHINE COMPANY, INCORPORATED | | S6110-26065-1 | 54878 | ROTAIR AEROSPACE CORP | | S6110-26065-1 | 78286 | SIKORSKY AIRCRAFT CORPORATION |
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Techincal Specification:
| CENTER HOLE SHAPE STYLE | ROUND | | CORNER SHAPE | SQUARE ALL CORNERS | | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR | | DIAMETER | 1.2600 INCHES MINIMUM AND 1.2700 INCHES MAXIMUM | | LUBRICATION FEATURE | GROOVE FLAT BEARING SURFACE | | OUTSIDE DIAMETER | 2.1250 INCHES NOMINAL | | OVERALL THICKNESS | 0.1000 INCHES MINIMUM AND 0.1050 INCHES MAXIMUM | | MATERIAL | COPPER ALLOY 172 OR COPPER ALLOY 173 OVERALL | | SPECIAL FEATURES | ONE SIDE OF CENTER HOLE COUNTERSUNK 90 DEG BY 1.3900IN MIN,1.4000 IN MAX DIA | | STYLE DESIGNATOR | ROUND | | SURFACE FINISH | 100.0 MICROINCHES OVERALL |
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