3120-00-662-7334 WASHER,FLAT Index 3120-00-662-7341 WASHER

National Stock Number:
3120-00-662-7339

Federal Supply Class:
3120

National Item Identification Number:
006627339

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:
S8157N254-04559364HONEYWELL INTERNATIONAL INC.
S8157N254-04570210HONEYWELL INTERNATIONAL INC.
S8157N254-04572599ALLIEDSIGNAL INC DBA ALLIED-SIGNAL AEROSPACE CO
S8157N254-04599193HONEYWELL INTERNATIONAL INC.


Techincal Specification:
CENTER HOLE SHAPE STYLEROUND
CORNER SHAPESQUARE ALL CORNERS
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
DIAMETER0.5730 INCHES MINIMUM AND 0.5830 INCHES MAXIMUM
OUTSIDE DIAMETER0.7000 INCHES MINIMUM AND 0.7200 INCHES MAXIMUM
OVERALL THICKNESS0.0450 INCHES NOMINAL
MATERIALSTEEL COMP 301 OR STEEL COMP 316 OR STEEL COMP 321 OVERALL
STYLE DESIGNATORROUND
SURFACE CONDITIONGROUND


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