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National Stock Number:
3120-01-609-4785
Federal Supply Class:
3120
National Item Identification Number:
016094785
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:
| 13494782 | 18876 | U S ARMY AVIATION AND MISSILE COMMAND |
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Techincal Specification:
| DIAMETER | 1.595 INCHES MINIMUM AND 1.605 INCHES MAXIMUM | | CENTER HOLE SHAPE STYLE | ROUND | | CROSS-SECTIONAL SHAPE STYLE | SHOULDERED | | FLANGE THICKNESS | 0.165 INCHES MINIMUM AND 0.175 INCHES MAXIMUM | | MATERIAL | ALUMINUM ALLOY 2024 OVERALL | | PROPRIETARY CHARACTERISTICS | PACS | | OUTSIDE DIAMETER | 2.269 INCHES MINIMUM AND 2.273 INCHES MAXIMUM | | OVERALL THICKNESS | 0.26 INCHES MINIMUM AND 0.28 INCHES MAXIMUM | | SHANK OUTSIDE DIAMETER | 1.9985 INCHES MINIMUM AND 1.9991 INCHES MAXIMUM | | STYLE DESIGNATOR | ROUND |
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