1680-00-516-6816 SEAT,AIRCRAFT Index 1680-00-516-6820 SEAT,AIRCRAFT

National Stock Number:
3120-00-516-6817

Federal Supply Class:
3120

National Item Identification Number:
005166817

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:
2-1670000742AIR PRODUCTS & CHEMICALS, INC
2-1670011976CHICAGO PNEUMATIC TOOL CO
9-772-01-000400742AIR PRODUCTS & CHEMICALS, INC
2-1670088807NEAC COMPRESSOR SERVICE USA INC


Techincal Specification:
CENTER HOLE SHAPE STYLEROUND
COUNTERBORE DIAMETER0.6875 INCHES NOMINAL
CORNER SHAPESQUARE ALL CORNERS
COUNTERBORE DEPTH0.1250 INCHES NOMINAL
CROSS-SECTIONAL SHAPE STYLECOUNTERBORED
DIAMETER0.6250 INCHES NOMINAL
OUTSIDE DIAMETER1.2500 INCHES NOMINAL
OVERALL THICKNESS0.1875 INCHES NOMINAL
MATERIALSTEEL COMP 1035 OVERALL
STYLE DESIGNATORROUND
SURFACE FINISH24.0 MICROINCHES LEFT SIDE
SURFACE FINISH24.0 MICROINCHES RIGHT SIDE
SURFACE TREATMENTOXIDE OVERALL


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