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National Stock Number:
3120-01-190-8477
Federal Supply Class:
3120
National Item Identification Number:
011908477
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:
| 387-3476 | 02731 | MCDONNELL DOUGLAS HELICOPTER CO INC | | 387-3476 | 0A860 | GLEN-BAR ENGINEERING CO | | 387-3476 | 0K0E0 | ALPHA AVIATION COMPONENTS, INC. | | 387-3476 | 1YQE8 | ALLIANT TECHSYSTEMS OPERATIONS LLC | | 387-3476 | 3R647 | SCHNEIDERS MANUFACTURING INC | | 387-3476 | 60609 | TEMPCO ENGINEERING INC | | 387-3476 | 6X224 | METRI-TECH ENGINEERING, INC. | | 387-3476 | 8KP69 | NORTHROP GRUMMAN SYSTEMS CORP |
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Techincal Specification:
| DIAMETER | 37.05 MILLIMETERS NOMINAL | | CENTER HOLE SHAPE STYLE | ROUND | | CORNER SHAPE | CHAMFERED ALL CORNERS | | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR | | MATERIAL | BRONZE ALUMINUM OVERALL | | PROPRIETARY CHARACTERISTICS | PACS | | OUTSIDE DIAMETER | 37.05 MILLIMETERS NOMINAL | | OVERALL THICKNESS | 15.00 MILLIMETERS NOMINAL | | SPECIAL FEATURES | BOTH ENDS ARE CHAMFERED 0.75 MILLIMETERS | | STYLE DESIGNATOR | ROUND |
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