3120-01-351-6439 BEARING,WASHER,THRUST Index 3120-01-351-6441 BEARING HALF,SLEEVE

National Stock Number:
3120-01-351-6440

Federal Supply Class:
3120

National Item Identification Number:
013516440

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:
21103835053711NAVAL SEA SYSTEMS COMMAND
801-6404593 FIND 453711NAVAL SEA SYSTEMS COMMAND
DF330621 FIND 443689HUNTINGTON INGALLS INC


Techincal Specification:
CENTER HOLE SHAPE STYLEROUND
CORNER SHAPESQUARE ALL CORNERS
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
DIAMETER0.9200 INCHES NOMINAL
OUTSIDE DIAMETER1.3700 INCHES MINIMUM AND 1.3800 INCHES MAXIMUM
OVERALL THICKNESS0.1230 INCHES MINIMUM AND 0.1250 INCHES MAXIMUM
MATERIALPLASTIC POLYHEXAMETHYLENE ADIPAMIDE OVERALL
STYLE DESIGNATORROUND
SURFACE FINISH32.0 MICROINCHES LEFT SIDE32.0 MICROINCHES RIGHT SIDE


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