7025-01-523-2844 MEMORY UNIT,DATA STORAGE Index 3020-01-523-2846 GEAR,HELICAL

National Stock Number:
3120-01-523-2845

Federal Supply Class:
3120

National Item Identification Number:
015232845

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:
300026445152OSHKOSH CORP
300026475Q65OSHKOSH DEFENSE LLC


Techincal Specification:
DIAMETER2.5500 INCHES NOMINAL
CENTER HOLE SHAPE STYLEROUND
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
PROPRIETARY CHARACTERISTICSPACS
OUTSIDE DIAMETER4.0000 INCHES NOMINAL
OVERALL THICKNESS0.0900 INCHES NOMINAL
STYLE DESIGNATORROUND


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