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National Stock Number:
3120-00-226-0612
Federal Supply Class:
3120
National Item Identification Number:
002260612
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:
| 107R2568-1 | 77272 | THE BOEING COMPANY | | 107R2568-1 | 81205 | THE BOEING COMPANY | | 107R2568-1REV"E" | 09489 | BOEING CANADA TECHNOLOGY LTD ARNPRIOR DIV | | 107R2568-1REV"E" | 09489 | BOEING CANADA TECHNOLOGY LTD ARNPRIOR DIV | | 107R2568-1REV'E' | 09489 | BOEING CANADA TECHNOLOGY LTD ARNPRIOR DIV | | 107R2568-1REVE | 09489 | BOEING CANADA TECHNOLOGY LTD ARNPRIOR DIV |
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Techincal Specification:
| CENTER HOLE SHAPE STYLE | ROUND | | CORNER SHAPE | SQUARE ALL CORNERS | | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR | | DIAMETER | 3.1250 INCHES MINIMUM AND 3.1350 INCHES MAXIMUM | | LUBRICATION FEATURE | GROOVE EXTERNAL OUTER MEMBER | | LUBRICATION FEATURE | GROOVE INTERNAL OUTER MEMBER | | OUTSIDE DIAMETER | 4.1800 INCHES NOMINAL | | OVERALL THICKNESS | 0.1550 INCHES MINIMUM AND 0.1570 INCHES MAXIMUM | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-B-750 FED SPEC SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | COPPER ALLOY 510 OVERALL | | STYLE DESIGNATOR | ROUND | | SURFACE FINISH | 125.0 MICROINCHES INSIDE DIAMETER SURFACE OF BODY | | SURFACE FINISH | 125.0 MICROINCHES OUTSIDE DIAMETER SURFACE OF BODY | | SURFACE FINISH | 32.0 MICROINCHES LEFT SIDE | | SURFACE FINISH | 32.0 MICROINCHES RIGHT SIDE |
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