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National Stock Number:
3120-00-419-1522
Federal Supply Class:
3120
National Item Identification Number:
004191522
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:
| 0639520-6 | 92392 | ALLIS-CHALMERS CORP | | 06395206 | 89926 | NEW HOLLAND CONSTRUCTION | | 70639520 | 0MKW7 | MINNPAR, LLC | | 202603 | 61208 | TWIN DISC, INCORPORATED | | 70639520 | 89926 | NEW HOLLAND CONSTRUCTION | | 70639520 | 92392 | ALLIS-CHALMERS CORP |
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Techincal Specification:
| CENTER HOLE SHAPE STYLE | ROUND | | CORNER SHAPE | CHAMFERED OUTSIDE LEFT CORNER | | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR | | DIAMETER | 4.2500 INCHES MINIMUM AND 4.2520 INCHES MAXIMUM | | OUTSIDE DIAMETER | 5.8815 INCHES MINIMUM AND 5.8825 INCHES MAXIMUM | | OVERALL THICKNESS | 0.4280 INCHES MINIMUM AND 0.4360 INCHES MAXIMUM | | MATERIAL | IRON OVERALL | | SPECIAL FEATURES | FIRST INSIDE CORNER CHAMFER LG 0.0700 IN. | | STYLE DESIGNATOR | ROUND |
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