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National Stock Number:
3120-00-517-9963
Federal Supply Class:
3120
National Item Identification Number:
005179963
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:
| 3-70624 | 81205 | THE BOEING COMPANY |
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Techincal Specification:
| MATERIAL | ALUMINUM OVERALL | | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-T-5063 COND T3 MIL STD SINGLE MATERIAL RESPONSE OVERALL | | STYLE DESIGNATOR | ROUND | | OUTSIDE DIAMETER | 1.5000 INCHES NOMINAL | | CORNER SHAPE | SQUARE FIRST OUTSIDE CORNER | | SQUARE SECOND OUTSIDE CORNER | | CHAMFERED FIRST INSIDE CORNER | | CHAMFERED SECOND INSIDE CORNER | | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR | | OVERALL THICKNESS | 0.3000 INCHES NOMINAL | | CENTER HOLE SHAPE STYLE | ROUND | | DIAMETER | 1.2000 INCHES NOMINAL | | SURFACE CONDITION | GROUND | | LUBRICATION MATERIAL | LUBRICANT, MANUFACTURERS STANDARD | | SPECIAL FEATURES | PART OF OUTPUT SHAFT WING FLAP POWER UNIT OF THE B-52 ACFT | | THE MANUFACTURERS DATA | | | MANUFACTURERS CODE | 81205 | | DESIGN CONTROL REFERENCE | 3-70624 |
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