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National Stock Number:
3120-00-712-9320
Federal Supply Class:
3120
National Item Identification Number:
007129320
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:
| 101204 | 12603 | CLARK EQUIPMENT CO | | 101204 | 40152 | VME AMERICAS INC SUB OF VME GROUP N V | | 101204 | 77237 | DANA OFF HIGHWAY PRODUCTS, LLC | | 101204 | 89749 | CLARK MATERIAL HANDLING COMPANY | | 13801P11 | 27618 | TAYLOR MACHINE WORKS INC |
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Techincal Specification:
| MATERIAL | COPPER ALLOY 546-CANCELED OVERALL | | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-B-13501 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL | | HARDNESS RATING | 62.0 ROCKWELL B MINIMUM AND | | 75.0 ROCKWELL B MAXIMUM OVERALL | | STYLE DESIGNATOR | ROUND | | OUTSIDE DIAMETER | 2.5000 INCHES NOMINAL | | CORNER SHAPE | SQUARE FIRST INSIDE CORNER | | SQUARE SECOND INSIDE CORNER | | CROSS-SECTIONAL SHAPE STYLE | CONVEX | | OVERALL THICKNESS | 0.0615 INCHES MINIMUM AND | | 0.0635 INCHES MAXIMUM | | OUTSIDE SPHERICAL RADIUS | 3.0605 INCHES MINIMUM AND | | 3.0675 INCHES MAXIMUM | | INSIDE SPHERICAL RADIUS | 2.9990 INCHES MINIMUM AND | | 3.0040 INCHES MAXIMUM | | CENTER HOLE SHAPE STYLE | ROUND | | DIAMETER | 1.1350 INCHES MINIMUM AND | | 1.1450 INCHES MAXIMUM |
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