3120-00-340-4428 BEARING,WASHER,THRUST Index 3120-00-340-4430 BEARING,WASHER,THRUST

National Stock Number:
3120-00-340-4429

Federal Supply Class:
3120

National Item Identification Number:
003404429

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:
04P237894-3398738HERLEY CHICAGO DBA STEWART WARNER ELECTRONICS


Techincal Specification:
CENTER HOLE SHAPE STYLEROUND
CORNER SHAPESQUARE ALL CORNERS
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
DIAMETER0.1880 INCHES MINIMUM AND 0.1900 INCHES MAXIMUM
OUTSIDE DIAMETER0.2560 INCHES MINIMUM AND 0.2610 INCHES MAXIMUM
OVERALL THICKNESS0.0325 INCHES MINIMUM AND 0.0335 INCHES MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATIONASTM A582 ASSN STD ALL MATERIAL RESPONSES OVERALL
MATERIALSTEEL COMP 302 OR STEEL COMP 410 OR STEEL COMP 420 OR STEEL COMP 303 OR STEEL COMP 416 OVERALL
SPECIAL FEATURESFACES PARALLEL WITHIN 0.0002 IN.
STYLE DESIGNATORROUND
SURFACE FINISH16.0 MICROINCHES LEFT SIDE
SURFACE FINISH16.0 MICROINCHES RIGHT SIDE
SURFACE FINISH63.0 MICROINCHES INSIDE DIAMETER SURFACE OF BODY
SURFACE FINISH63.0 MICROINCHES LARGEST OUTSIDE DIAMETER
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTPASSIVATE OVERALL


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