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National Stock Number:
3120-00-555-1325
Federal Supply Class:
3120
National Item Identification Number:
005551325
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:
| 77444 | 29780 | MAG AEROSPACE INDUSTRIES, LLC | | 77444 | 92824 | MAG AEROSPACE INDUSTRIES INC. DBA MONOGRAMSYSTEMS DBA MONOGRAM SYSTEMS |
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Techincal Specification:
| CENTER HOLE SHAPE STYLE | ROUND | | CROSS-SECTIONAL SHAPE STYLE | SHOULDERED | | DIAMETER | 1.2430 INCHES MINIMUM AND 1.2460 INCHES MAXIMUM | | FLANGE THICKNESS | 0.0620 INCHES NOMINAL | | OUTSIDE DIAMETER | 1.4900 INCHES MINIMUM AND 1.5100 INCHES MAXIMUM | | OVERALL THICKNESS | 0.2650 INCHES NOMINAL | | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-B-5687,TY 1,COMP A MIL SPEC SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | COPPER ALLOY OVERALL | | SHANK OUTSIDE DIAMETER | 1.3755 INCHES MINIMUM AND 1.3765 INCHES MAXIMUM | | SPECIAL FEATURES | BEARING IS LUBRICANT IMPREGNATED | | STYLE DESIGNATOR | ROUND | | SURFACE CONDITION | GROUND |
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