3120-01-132-2238 BEARING,WASHER,THRUST Index 4820-01-132-2240 VALVE,CHECK

National Stock Number:
3120-01-132-2239

Federal Supply Class:
3120

National Item Identification Number:
011322239

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:
500541699167HAMILTON SUNDSTRAND CORPORATION


Techincal Specification:
DIAMETER0.5920 INCHES MINIMUM AND 0.5925 INCHES MAXIMUM
PROPRIETARY CHARACTERISTICSPACS
OUTSIDE DIAMETER1.1244 INCHES MINIMUM AND 1.1249 INCHES MAXIMUM
OVERALL THICKNESS0.3270 INCHES MINIMUM AND 0.3290 INCHES MAXIMUM
SPECIAL FEATURESBORE COUNTERBORED ON BOTH ENDS 0.6350 IN. MIN,0.6400 IN. MAX DIA; 0.0250 IN. MIN,0.0350 IN. MAX DP


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