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National Stock Number:
3120-00-540-7008
Federal Supply Class:
3120
National Item Identification Number:
005407008
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:
| 401751 | 66503 | WOODWARD, INC. |
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Techincal Specification:
| CENTER HOLE KEYWAY QUANTITY | 3 | | CENTER HOLE KEYWAY RADIUS | 0.0310 INCHES NOMINAL | | CENTER HOLE SHAPE STYLE | ROUND W/ROUND KEYWAYS | | CORNER SHAPE | SQUARE ALL CORNERS | | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR | | HARDNESS RATING | 38.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM OVERALL | | MAJOR DIAMETER | 0.2650 INCHES NOMINAL | | OUTSIDE DIAMETER | 0.3710 INCHES MINIMUM AND 0.3740 INCHES MAXIMUM | | OVERALL THICKNESS | 0.0900 INCHES MINIMUM AND 0.0930 INCHES MAXIMUM | | MATERIAL | STEEL COMP 416 OVERALL | | MINOR DIAMETER | 0.2030 INCHES NOMINAL | | STYLE DESIGNATOR | ROUND | | SURFACE FINISH | 16.0 MICROINCHES LEFT SIDE | | SURFACE FINISH | 16.0 MICROINCHES RIGHT SIDE | | SURFACE TREATMENT | PASSIVATE OVERALL |
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