3120-01-218-7169 BEARING,WASHER,THRUST Index 3120-01-218-7171 BEARING,WASHER,THRUST

National Stock Number:
3120-01-218-7170

Federal Supply Class:
3120

National Item Identification Number:
012187170

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:
3121841-581039WHIPPANY ACTUATION SYSTEMS, LLC


Techincal Specification:
DIAMETER0.5690 INCHES NOMINAL
CENTER HOLE SHAPE STYLEROUND
CORNER SHAPESQUARE ALL CORNERS
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
HARDNESS RATING60.0 ROCKWELL C MINIMUM OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-7420 MIL SPEC 1ST MATERIAL RESPONSE OVERALL OR AMS 5121 ASSN STD 2ND MATERIAL RESPONSE OVERALL
MATERIALSTEEL COMP E52100 OVERALL OR STEEL COMP 1095 OVERALL
PROPRIETARY CHARACTERISTICSPACS
OUTSIDE DIAMETER0.9900 INCHES MINIMUM
OVERALL THICKNESS0.0610 INCHES MINIMUM AND 0.0630 INCHES MAXIMUM
STYLE DESIGNATORROUND
SURFACE FINISH16.0 MICROINCHES LEFT SIDE
SURFACE FINISH16.0 MICROINCHES RIGHT SIDE
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-C-16173,GRADE 3 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTLUBRICANT DRY FILM OVERALL
TEST DATA DOCUMENT81349-MIL-I-6868 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.).


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