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National Stock Number:
3120-00-809-0551
Federal Supply Class:
3120
National Item Identification Number:
008090551
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:
| 02-12760 | 45934 | ONTIC ENGINEERING & MANUFACTURING, INC | | 02-12760 | 99167 | HAMILTON SUNDSTRAND CORPORATION |
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Techincal Specification:
| DIAMETER | 0.6870 INCHES MINIMUM AND 0.6880 INCHES MAXIMUM | | CENTER HOLE KEYWAY DEPTH | 0.0410 INCHES MINIMUM AND 0.0510 INCHES MAXIMUM | | CENTER HOLE KEYWAY QUANTITY | 2 | | CENTER HOLE KEYWAY WIDTH | 0.1450 INCHES MINIMUM AND 0.1500 INCHES MAXIMUM | | CENTER HOLE SHAPE STYLE | ROUND W/KEYWAY | | CORNER SHAPE | SQUARE FIRST INSIDE CORNER | | CORNER SHAPE | SQUARE FIRST OUTSIDE CORNER | | CORNER SHAPE | SQUARE FOURTH OUTSIDE CORNER | | CORNER SHAPE | SQUARE SECOND INSIDE CORNER | | CORNER SHAPE | SQUARE SECOND OUTSIDE CORNER | | CORNER SHAPE | SQUARE THIRD OUTSIDE CORNER | | CROSS-SECTIONAL SHAPE STYLE | SHOULDERED | | FLANGE THICKNESS | 0.1150 INCHES NOMINAL | | MATERIAL | STEEL OVERALL | | PROPRIETARY CHARACTERISTICS | PACS | | OUTSIDE DIAMETER | 1.3120 INCHES NOMINAL | | OVERALL THICKNESS | 0.1720 INCHES MINIMUM AND 0.1730 INCHES MAXIMUM | | SHANK OUTSIDE DIAMETER | 0.9530 INCHES NOMINAL | | STYLE DESIGNATOR | ROUND | | SURFACE FINISH | 150.0 MICROINCHES OVERALL |
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