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National Stock Number:
3120-00-425-0960
Federal Supply Class:
3120
National Item Identification Number:
004250960
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:
| 2285-296PC3 | 43689 | HUNTINGTON INGALLS INC | | 255590PC19 | 43689 | HUNTINGTON INGALLS INC | | 255761PC7 | 43689 | HUNTINGTON INGALLS INC |
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Techincal Specification:
| STYLE DESIGNATOR | ROUND | | OUTSIDE DIAMETER | 0.7656 INCHES MINIMUM AND | | 0.7969 INCHES MAXIMUM | | CORNER SHAPE | SQUARE ALL CORNERS | | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR | | OVERALL THICKNESS | 0.1200 INCHES MINIMUM AND | | MATERIAL | PLASTIC POLYAMIDE AND | | GRAPHITE OVERALL | | 0.1300 INCHES MAXIMUM | | CENTER HOLE SHAPE STYLE | ROUND | | DIAMETER | 0.5781 INCHES MINIMUM AND | | 0.6094 INCHES MAXIMUM | | LUBRICATION MATERIAL | LUBRICANT, MANUFACTURERS STANDARD | | SPECIAL FEATURES | DIAMETERS CONCENTRIC WITH IN 0.0100 IN. T.I.R. | | TEST DATA DOCUMENT | 96169-1990D SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.). |
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