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National Stock Number:
3120-01-414-6882
Federal Supply Class:
3120
National Item Identification Number:
014146882
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:
| 211035245 | 53711 | NAVAL SEA SYSTEMS COMMAND | | 563-6405731-26 | 53711 | NAVAL SEA SYSTEMS COMMAND |
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Techincal Specification:
| CENTER HOLE SHAPE STYLE | ROUND | | CORNER SHAPE | CHAMFERED FIRST OUTSIDE CORNER | | CORNER SHAPE | SQUARE SECOND INSIDE CORNER | | CORNER SHAPE | SQUARE SECOND OUTSIDE CORNER | | CORNER SHAPE | SQUARE FIRST INSIDE CORNER | | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR | | DIAMETER | 2.0120 INCHES MINIMUM AND 2.0150 INCHES MAXIMUM | | MATERIAL DOCUMENT AND CLASSIFICATION | ASTM B150 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | COPPER ALLOY 632 OVERALL | | OUTSIDE DIAMETER | 2.6200 INCHES MINIMUM AND 2.6230 INCHES MAXIMUM | | OVERALL THICKNESS | 0.2400 INCHES MINIMUM AND 0.2600 INCHES MAXIMUM | | STYLE DESIGNATOR | ROUND |
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