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National Stock Number:
3120-00-197-7833
Federal Supply Class:
3120
National Item Identification Number:
001977833
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:
| 41T00093-0000 | 01425 | LOUIS ALLIS CO THE THIS COMPANY HAS GONE BANKRUPT AND HAS BEEN PURCHASED BY 3 COMPANIES | | 41T93 | 01425 | LOUIS ALLIS CO THE THIS COMPANY HAS GONE BANKRUPT AND HAS BEEN PURCHASED BY 3 COMPANIES |
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Techincal Specification:
| CENTER HOLE SHAPE STYLE | ROUND | | CORNER SHAPE | SQUARE ALL CORNERS | | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR | | DIAMETER | 2.7500 INCHES NOMINAL | | OUTSIDE DIAMETER | 4.1450 INCHES MINIMUM AND 4.1500 INCHES MAXIMUM | | OVERALL THICKNESS | 0.3990 INCHES MINIMUM AND 0.4010 INCHES MAXIMUM | | SPECIAL FEATURES | 0.1875 IN. DIA ANTI-ROTATIONAL PIN RIGHT SIDE ONLY 0.250 IN. DEEP | | STYLE DESIGNATOR | ROUND |
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