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National Stock Number:
3120-00-417-1538
Federal Supply Class:
3120
National Item Identification Number:
004171538
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:
| 16D4125 | 50024 | COLTEC INDUSTRIES INC DBA FAIRBANKS MORSE ENGINE FM/ALCO | | 16D4125 | 7PZX0 | FAIRBANKS MORSE, LLC | | 16D4125-1 | 50024 | COLTEC INDUSTRIES INC DBA FAIRBANKS MORSE ENGINE FM/ALCO | | 32N757PC18 | 50024 | COLTEC INDUSTRIES INC DBA FAIRBANKS MORSE ENGINE FM/ALCO | | 32N757PC18 | 7PZX0 | FAIRBANKS MORSE, LLC | | 16D4125-1 | 7PZX0 | FAIRBANKS MORSE, LLC | | 516-44A | 50024 | COLTEC INDUSTRIES INC DBA FAIRBANKS MORSE ENGINE FM/ALCO | | 51644A | 50024 | COLTEC INDUSTRIES INC DBA FAIRBANKS MORSE ENGINE FM/ALCO | | 51644A | 7PZX0 | FAIRBANKS MORSE, LLC |
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Techincal Specification:
| CENTER HOLE SHAPE STYLE | ROUND | | CORNER SHAPE | SQUARE ALL CORNERS | | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR | | DIAMETER | 4.2500 INCHES NOMINAL | | LUBRICATION FEATURE | GROOVE FLAT BEARING SURFACE | | OUTSIDE DIAMETER | 6.6120 INCHES MINIMUM AND 6.6160 INCHES MAXIMUM | | OVERALL THICKNESS | 0.4950 INCHES MINIMUM AND 0.4970 INCHES MAXIMUM | | MATERIAL | COPPER ALLOY 836 OUTER LAYER | | MATERIAL | TIN INNER LAYER | | STYLE DESIGNATOR | ROUND |
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