5310-00-661-9636 WASHER,FLAT Index 3120-00-661-9646 BEARING,WASHER,THRUST

National Stock Number:
3120-00-661-9645

Federal Supply Class:
3120

National Item Identification Number:
006619645

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:
61337306650BELL AND HOWELL PHILLIPSBURG CO CORPORATE OFFICES
61337314153DEFENSE LOGISTICS AGENCY DBA DEFENSE SUPPLY CENTER PHILADELPHIA


Techincal Specification:
CENTER HOLE SHAPE STYLEROUND
CORNER SHAPESQUARE ALL CORNERS
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
DIAMETER1.3810 INCHES MINIMUM AND 1.3860 INCHES MAXIMUM
LUBRICATION MATERIALLUBRICATING OIL, MIL-L-15016
OUTSIDE DIAMETER1.8950 INCHES MINIMUM AND 1.9010 INCHES MAXIMUM
OVERALL THICKNESS0.0285 INCHES MINIMUM AND 0.0335 INCHES MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-B-5687,TY 1,COMP A MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALCOPPER ALLOY OVERALL
STYLE DESIGNATORROUND


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