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National Stock Number:
3120-00-516-6469
Federal Supply Class:
3120
National Item Identification Number:
005166469
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:
| 1742-4300-A4615 | 44114 | BAE SYSTEMS LAND & ARMAMENTS L.P. |
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Techincal Specification:
| MATERIAL | STEEL OVERALL | | HARDNESS RATING | 18.0 ROCKWELL C MINIMUM AND | | 27.0 ROCKWELL C MAXIMUM OVERALL | | STYLE DESIGNATOR | ROUND | | OUTSIDE DIAMETER | 1.0000 INCHES NOMINAL | | CORNER SHAPE | SQUARE ALL CORNERS | | CROSS-SECTIONAL SHAPE STYLE | SHOULDERED | | FLANGE THICKNESS | 0.1850 INCHES NOMINAL | | SHANK OUTSIDE DIAMETER | 0.6870 INCHES NOMINAL | | CENTER HOLE SHAPE STYLE | ROUND W/KEYWAY | | DIAMETER | 0.3730 INCHES MINIMUM AND | | 0.3760 INCHES MAXIMUM | | CENTER HOLE KEYWAY DEPTH | 0.0450 INCHES MINIMUM AND | | 0.0470 INCHES MAXIMUM | | CENTER HOLE KEYWAY WIDTH | 0.9400 INCHES MINIMUM AND | | 0.9900 INCHES MAXIMUM | | CENTER HOLE KEYWAY QUANTITY | 1 | | SURFACE CONDITION | GROUND |
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