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National Stock Number:
3120-00-683-9757
Federal Supply Class:
3120
National Item Identification Number:
006839757
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:
| 2057-1283 | 05030 | RAYTHEON CO MISSILE SYSTEMS DIV LOWELL PLANT | | 2057-1283 | 3B150 | RAYTHEON COMPANY | | 2057-1283 | 49956 | RAYTHEON COMPANY | | 2057-1283 | 54X10 | RAYTHEON COMPANY |
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Techincal Specification:
| SURFACE TREATMENT | PASSIVATE OVERALL | | STYLE DESIGNATOR | ROUND | | OUTSIDE DIAMETER | 0.5360 INCHES NOMINAL | | CORNER SHAPE | SQUARE FIRST OUTSIDE CORNER | | SQUARE SECOND OUTSIDE CORNER | | SQUARE FIRST INSIDE CORNER | | SQUARE SECOND INSIDE CORNER | | CROSS-SECTIONAL SHAPE STYLE | TAPERED HOLE | | OVERALL THICKNESS | 0.0930 INCHES NOMINAL | | INSIDE SPHERICAL RADIUS | 0.4375 INCHES NOMINAL | | SPHERICAL DEPTH | 0.0510 INCHES NOMINAL | | CENTER HOLE SHAPE STYLE | ROUND | | DIAMETER | 0.2610 INCHES MINIMUM AND | | 0.2660 INCHES MAXIMUM | | LUBRICATION MATERIAL | LUBRICANT, MANUFACTURERS STANDARD | | THE MANUFACTURERS DATA | | | MANUFACTURERS CODE | 3B150 | | DESIGN CONTROL REFERENCE | 2057-1283 |
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