3120-01-240-1872 BUSHING,SLEEVE Index 4820-01-240-1874 VALVE,GLOBE

National Stock Number:
3120-01-240-1873

Federal Supply Class:
3120

National Item Identification Number:
012401873

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.


Manufacturer Information:
406 263 13 6264678DAIMLER TRUCK NORTH AMERICA LLC
406 263 13 62CN7Z7MERCEDES-BENZ AG
406 263 13 62D8046DAIMLER AG


Techincal Specification:
DIAMETER38.0 MILLIMETERS NOMINAL
CENTER HOLE SHAPE STYLEROUND
CORNER SHAPESQUARE ALL CORNERS
CROSS-SECTIONAL SHAPE STYLESHOULDERED
FLANGE THICKNESS3.2 MILLIMETERS MINIMUM AND 3.4 MILLIMETERS MAXIMUM
HARDNESS RATING45.0 ROCKWELL C MINIMUM OVERALL AND 50.0 ROCKWELL C MAXIMUM OVERALL
PROPRIETARY CHARACTERISTICSPACS
OUTSIDE DIAMETER65.0 MILLIMETERS NOMINAL
OVERALL THICKNESS3.85 MILLIMETERS MINIMUM AND 3.90 MILLIMETERS MAXIMUM
SHANK OUTSIDE DIAMETER57.0 MILLIMETERS NOMINAL
STYLE DESIGNATORROUND


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