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National Stock Number:
3120-00-255-5590
Federal Supply Class:
3120
National Item Identification Number:
002555590
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:
| 10225490 | 18876 | U S ARMY AVIATION AND MISSILE COMMAND | | 3120002555590 | A00AM | E.C.A ETABLISSEMENT CENTRAL DESAPPROVISIONNEMENTS DES FORCES ARMEE | | 433-1949 | A486G | NIMIKKEISTOKESKUS NCB FINLAND | | 3120002555590 | SCY13 | E.C.A ETABLISSEMENT CENTRALD'APPROVISIONNEMENT DES FORCES ARMEE |
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Techincal Specification:
| MATERIAL | STEEL COMP 631 OVERALL | | SURFACE TREATMENT | CHROMIUM OVERALL | | STYLE DESIGNATOR | ROUND | | OUTSIDE DIAMETER | 0.7200 INCHES MINIMUM AND | | 0.7800 INCHES MAXIMUM | | CORNER SHAPE | SQUARE ALL CORNERS | | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR | | OVERALL THICKNESS | 0.0600 INCHES MINIMUM AND | | 0.0640 INCHES MAXIMUM | | CENTER HOLE SHAPE STYLE | ROUND | | DIAMETER | 0.5020 INCHES MINIMUM AND | | 0.5120 INCHES MAXIMUM | | SURFACE FINISH | 125.0 MICROINCHES INSIDE DIAMETER SURFACE OF BODY | | 16.0 MICROINCHES LEFT SIDE | | 125.0 MICROINCHES OUTSIDE DIAMETER SURFACE OF BODY | | 16.0 MICROINCHES RIGHT SIDE | | LUBRICATION MATERIAL | LUBRICANT, SOLID FILM, MIL-L-46010 | | THE MANUFACTURERS DATA | | | MANUFACTURERS CODE | 18876 | | DESIGN CONTROL REFERENCE | 10225490 |
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