3120-01-265-7132 BEARING,WASHER,THRUST Index 4820-01-265-7134 VALVE,GLOBE

National Stock Number:
3120-01-265-7133

Federal Supply Class:
3120

National Item Identification Number:
012657133

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:
34776704627HYSTER-YALE GROUP, INC.
34776730076HYSTER-YALE GROUP, INC.


Techincal Specification:
DIAMETER38.08 MILLIMETERS MINIMUM AND 38.18 MILLIMETERS MAXIMUM
CENTER HOLE SHAPE STYLEROUND
CORNER SHAPESQUARE ALL CORNERS
CROSS-SECTIONAL SHAPE STYLESHOULDERED
FLANGE THICKNESS1.975 MILLIMETERS MINIMUM AND 2.025 MILLIMETERS MAXIMUM
HARDNESS RATING60.0 ROCKWELL C MINIMUM OVERALL AND 64.0 ROCKWELL C MAXIMUM OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONSAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL COMP E52100 OVERALL
PROPRIETARY CHARACTERISTICSPACS
OUTSIDE DIAMETER55.0 MILLIMETERS NOMINAL
OVERALL THICKNESS4.55 MILLIMETERS MINIMUM AND 4.75 MILLIMETERS MAXIMUM
SHANK OUTSIDE DIAMETER42.955 MILLIMETERS MINIMUM AND 43.005 MILLIMETERS MAXIMUM
STYLE DESIGNATORROUND
SURFACE FINISH0.50 MICROMETERS LEFT SIDE


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