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National Stock Number:
3120-01-349-9818
Federal Supply Class:
3120
National Item Identification Number:
013499818
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.
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Manufacturer Information:
| DAA3122D152-001 | 80378 | TRIUMPH AEROSTRUCTURES, LLC |
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Techincal Specification:
| CENTER HOLE SHAPE STYLE | ROUND | | CORNER SHAPE | SQUARE ALL CORNERS | | CROSS-SECTIONAL SHAPE STYLE | SHOULDERED | | DIAMETER | 0.2560 INCHES MINIMUM AND 0.2630 INCHES MAXIMUM | | FLANGE THICKNESS | 0.0620 INCHES NOMINAL | | OUTSIDE DIAMETER | 0.7800 INCHES NOMINAL | | OVERALL THICKNESS | 0.1560 INCHES NOMINAL | | MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5643 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL COMP 630 OVERALL | | SHANK OUTSIDE DIAMETER | 0.3600 INCHES MINIMUM AND 0.3700 INCHES MAXIMUM | | STYLE DESIGNATOR | ROUND |
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