3120-00-661-5916 BEARING,WASHER,THRUST Index 3120-00-661-5931 BEARING,WASHER,THRUST

National Stock Number:
3120-00-661-5919

Federal Supply Class:
3120

National Item Identification Number:
006615919

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:
701640619207U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM
90340658275SASCO INC CANADIAN DIV
90848558275SASCO INC CANADIAN DIV
T84J29D08018BORG-WARNER CORP
T84J29D79410LIBERTY VENTURES INTI LLC


Techincal Specification:
CENTER HOLE KEYWAY QUANTITY3
CENTER HOLE SHAPE STYLEROUND W/KEYWAYS
CORNER SHAPESQUARE ALL CORNERS
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
MAJOR DIAMETER0.8437 INCHES NOMINAL
OUTSIDE DIAMETER1.6250 INCHES MINIMUM AND 1.6290 INCHES MAXIMUM
OVERALL THICKNESS0.0580 INCHES MINIMUM AND 0.0630 INCHES MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATIONSAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIALCOPPER ALLOY 937 OVERALL
MINOR DIAMETER0.6406 INCHES NOMINAL
STYLE DESIGNATORROUND
SURFACE FINISH25.0 MICROINCHES LEFT SIDE
SURFACE FINISH25.0 MICROINCHES RIGHT SIDE


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