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National Stock Number:
3120-00-471-9127
Federal Supply Class:
3120
National Item Identification Number:
004719127
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:
| 60A5A908-114 | 10001 | NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER |
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Techincal Specification:
| CENTER HOLE SHAPE STYLE | ROUND | | CORNER SHAPE | SQUARE ALL CORNERS | | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR | | DIAMETER | 0.1260 INCHES MINIMUM AND 0.1270 INCHES MAXIMUM | | HARDNESS RATING | 72.0 ROCKWELL SUPERFICIAL 30-N MINIMUM AND 76.5 ROCKWELL SUPERFICIAL 30-N MAXIMUM OVERALL | | OUTSIDE DIAMETER | 0.1720 INCHES MINIMUM AND 0.1740 INCHES MAXIMUM | | OVERALL THICKNESS | 0.0135 INCHES MINIMUM AND 0.0145 INCHES MAXIMUM | | MATERIAL | STEEL COMP 301 OR STEEL COMP 302 OR STEEL COMP 440C OVERALL | | STYLE DESIGNATOR | ROUND |
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