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National Stock Number:
3120-00-718-3747
Federal Supply Class:
3120
National Item Identification Number:
007183747
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:
| 028234 | 23926 | KOMATSU AMERICA INTL CO | | 028234 | 77640 | ZF ACTIVE SAFETY AND ELECTRONICS US LLC | | 56293 | 23926 | KOMATSU AMERICA INTL CO | | 9024699 | 30379 | EUCLID INC | | 9024699 | 97907 | TEREX CORP | | D56293 | 23926 | KOMATSU AMERICA INTL CO |
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Techincal Specification:
| MATERIAL | STEEL COMP 1010 OVERALL | | MATERIAL DOCUMENT AND CLASSIFICATION | 66 FED STD SINGLE MATERIAL RESPONSE OVERALL | | STYLE DESIGNATOR | ROUND | | OUTSIDE DIAMETER | 2.1250 INCHES NOMINAL | | KEYWAY QUANTITY | 3 | | CORNER SHAPE | SQUARE FIRST OUTSIDE CORNER | | SQUARE SECOND OUTSIDE CORNER | | SQUARE FIRST INSIDE CORNER | | CHAMFERED SECOND INSIDE CORNER | | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR | | OVERALL THICKNESS | 0.3070 INCHES MINIMUM AND | | 0.3120 INCHES MAXIMUM | | CENTER HOLE SHAPE STYLE | ROUND | | DIAMETER | 1.5312 INCHES NOMINAL | | SURFACE CONDITION | GROUND | | SPECIAL FEATURES | KEYWAYS 0.2650 IN. MIN 0.2750 IN. MAX W BY 1.1719 IN. MIN,1.2031 IN. MAX LG,EQUALLY SPACED ON PEREPHERY |
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