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National Stock Number:
3120-00-540-7291
Federal Supply Class:
3120
National Item Identification Number:
005407291
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:
| RA7654 | 51663 | HYDRO-AIRE AEROSPACE CORP. |
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Techincal Specification:
| MATERIAL | STEEL OVERALL | | HARDNESS RATING | 24.0 ROCKWELL C MINIMUM AND | | 32.0 ROCKWELL C MAXIMUM OVERALL | | STYLE DESIGNATOR | ROUND W/ROUND KEYS | | KEY LENGTH | 0.0620 INCHES NOMINAL | | OUTSIDE DIAMETER | 0.9688 INCHES NOMINAL | | KEY RADIUS | 0.0620 INCHES NOMINAL | | KEY QUANTITY | 2 | | CORNER SHAPE | SQUARE ALL CORNERS | | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR | | OVERALL THICKNESS | 0.1390 INCHES NOMINAL | | CENTER HOLE SHAPE STYLE | ROUND | | DIAMETER | 0.5150 INCHES NOMINAL | | SURFACE CONDITION | LAPPED | | FEATURES PROVIDED | CASEHARDENED | | THE MANUFACTURERS DATA | | | MANUFACTURERS CODE | 51663 | | DESIGN CONTROL REFERENCE | RA7654 |
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