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National Stock Number:
3120-00-662-0711
Federal Supply Class:
3120
National Item Identification Number:
006620711
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:
| 47-620-426-1 | 04614 | TEXTRON SYSTEMS CORPORATION | | 47-620-426-1 | 80070 | LOCKHEED MARTIN CORPORATION | | 47-620-426-1 | 97499 | BELL TEXTRON INC |
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Techincal Specification:
| CENTER HOLE SHAPE STYLE | ROUND | | CORNER SHAPE | CHAMFERED SECOND OUTSIDE CORNER | | CORNER SHAPE | SQUARE FIRST INSIDE CORNER | | CORNER SHAPE | SQUARE FIRST OUTSIDE CORNER | | CORNER SHAPE | SQUARE SECOND INSIDE CORNER | | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR | | DIAMETER | 0.5940 INCHES NOMINAL | | FEATURES PROVIDED | CASEHARDENED | | HARDNESS RATING | 90.0 ROCKWELL SUPERFICIAL 15-N MINIMUM AND 91.5 ROCKWELL SUPERFICIAL 15-N MAXIMUM OVERALL | | OUTSIDE DIAMETER | 0.9250 INCHES NOMINAL | | OVERALL THICKNESS | 0.1420 INCHES NOMINAL | | MATERIAL | STEEL OVERALL | | STYLE DESIGNATOR | ROUND | | SURFACE FINISH | 13.0 MICROINCHES RIGHT SIDE | | SURFACE FINISH | 5.0 MICROINCHES LEFT SIDE |
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