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National Stock Number:
3120-00-159-8596
Federal Supply Class:
3120
National Item Identification Number:
001598596
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:
| K641246-11 | 84955 | KAMAN AEROSPACE CORPORATION |
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Techincal Specification:
| CENTER HOLE SHAPE STYLE | ROUND | | CROSS-SECTIONAL SHAPE STYLE | SHOULDERED | | DIAMETER | 3.3440 INCHES NOMINAL | | FLANGE THICKNESS | 0.1550 INCHES MINIMUM AND 0.1570 INCHES MAXIMUM | | MATERIAL DOCUMENT AND CLASSIFICATION | AMS 4640 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | OVERALL THICKNESS | 0.5000 INCHES NOMINAL | | MATERIAL | COPPER ALLOY 630 OVERALL | | OUTSIDE DIAMETER | 3.7500 INCHES NOMINAL | | SHANK OUTSIDE DIAMETER | 3.5022 INCHES MINIMUM AND 3.5030 INCHES MAXIMUM | | STYLE DESIGNATOR | ROUND | | TEST DATA DOCUMENT | 84955-CKPS212 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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