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National Stock Number:
3120-00-056-9829
Federal Supply Class:
3120
National Item Identification Number:
000569829
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:
| 245835 | 0KDP7 | KIDDE-FENWAL, INC. | | 245835 | 16004 | DAVEY COMPRESSOR CO DIV OF KECO INDUSTRIES INC | | 245835 | 5RQL2 | DRS ENVIRONMENTAL SYSTEMS INC | | 245835 | 92878 | HDT EXPEDITIONARY SYSTEMS INC |
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Techincal Specification:
| MATERIAL | STEEL CORROSION RESISTING OVERALL | | SURFACE TREATMENT | PASSIVATE OVERALL | | STYLE DESIGNATOR | ROUND W/FOUR FLATS | | WIDTH | 0.7760 INCHES MINIMUM AND | | 0.7840 INCHES MAXIMUM | | OVERALL LENGTH | 0.7760 INCHES MINIMUM AND | | 0.7840 INCHES MAXIMUM | | 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 | 0.0230 INCHES MINIMUM AND | | 0.0260 INCHES MAXIMUM | | CENTER HOLE SHAPE STYLE | ROUND | | DIAMETER | 0.2700 INCHES NOMINAL | | SPECIAL FEATURES | FIRST INSIDE CORNER CHAMFERED 30 DEG |
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