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National Stock Number:
3120-00-855-1100
Federal Supply Class:
3120
National Item Identification Number:
008551100
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:
| 4088-50027-001 | 14170 | HUGHES MISSILE SYSTEMS CO SAN DIEGO | | 4088-50027-001 | 15090 | RAYTHEON COMPANY | | AS1987176 | 10630 | ANILLO INDUSTRIES LLC | | MS17811 | 80205 | NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE | | MS17811-10 | 96906 | MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M | | MS17811-10 | A9271 | GORIZIANE GROUP SPA |
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Techincal Specification:
| CENTER HOLE SHAPE STYLE | ROUND | | CORNER SHAPE | SQUARE ALL CORNERS | | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR | | DIAMETER | 0.5640 INCHES MINIMUM AND 0.5690 INCHES MAXIMUM | | FEATURES PROVIDED | CASEHARDENED | | HARDNESS RATING | 58.0 ROCKWELL C MINIMUM OVERALL | | OUTSIDE DIAMETER | 1.3700 INCHES MINIMUM AND 1.3800 INCHES MAXIMUM | | OVERALL THICKNESS | 0.1850 INCHES MINIMUM AND 0.1890 INCHES MAXIMUM | | MATERIAL | STEEL COMP 1020 OVERALL | | STYLE DESIGNATOR | ROUND | | SURFACE FINISH | 125.0 MICROINCHES LARGEST OUTSIDE DIAMETER | | SURFACE FINISH | 125.0 MICROINCHES INSIDE DIAMETER SURFACE OF BODY | | SURFACE FINISH | 32.0 MICROINCHES LEFT SIDE | | SURFACE FINISH | 32.0 MICROINCHES RIGHT SIDE |
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