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National Stock Number:
3120-00-515-8301
Federal Supply Class:
3120
National Item Identification Number:
005158301
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:
| 160637 | 00198 | PRATT & WHITNEY CANADA CORP |
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Techincal Specification:
| MATERIAL | STEEL COMP 8740 OVERALL | | HARDNESS RATING | 32.0 ROCKWELL C MINIMUM AND | | 38.0 ROCKWELL C MAXIMUM OVERALL | | STYLE DESIGNATOR | ROUND | | OUTSIDE DIAMETER | 1.7400 INCHES MINIMUM AND | | 1.7600 INCHES MAXIMUM | | CORNER SHAPE | SQUARE FIRST OUTSIDE CORNER | | SQUARE FIRST INSIDE CORNER | | SQUARE SECOND INSIDE CORNER | | CROSS-SECTIONAL SHAPE STYLE | TAPERED SIDE | | OVERALL THICKNESS | 0.2300 INCHES MINIMUM AND | | 0.2400 INCHES MAXIMUM | | OUTSIDE SPHERICAL RADIUS | 1.2450 INCHES MINIMUM AND | | 1.2550 INCHES MAXIMUM | | SPHERICAL DEPTH | 0.1300 INCHES NOMINAL | | CENTER HOLE SHAPE STYLE | ROUND | | DIAMETER | 1.2630 INCHES MINIMUM AND | | 1.2650 INCHES MAXIMUM | | SURFACE FINISH | 10.0 MICROINCHES LEFT END SURFACE OF BODY | | THE MANUFACTURERS DATA | | | MANUFACTURERS CODE | 00198 | | DESIGN CONTROL REFERENCE | 160637 |
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