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National Stock Number:
3120-00-751-8684
Federal Supply Class:
3120
National Item Identification Number:
007518684
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:
| 535292 | 73030 | HAMILTON SUNDSTRAND CORPORATION |
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Techincal Specification:
| CENTER HOLE KEYWAY QUANTITY | 2 | | CENTER HOLE SHAPE STYLE | ROUND | | CORNER SHAPE | ROUND OUTSIDE RIGHT CORNER | | CORNER SHAPE | SQUARE INSIDE RIGHT CORNER | | CORNER SHAPE | SQUARE OUTSIDE LEFT CORNER | | CORNER SHAPE | SQUARE INSIDE LEFT CORNER | | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR | | DIAMETER | 4.3800 INCHES NOMINAL | | HARDNESS RATING | 58.0 ROCKWELL C MINIMUM AND 61.0 ROCKWELL C MAXIMUM OVERALL | | OUTSIDE DIAMETER | 5.7230 INCHES MINIMUM AND 5.7250 INCHES MAXIMUM | | OVERALL THICKNESS | 0.1350 INCHES MINIMUM AND 0.1400 INCHES MAXIMUM | | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-7420 MIL SPEC SINGLE MATERIAL RESPONSE OR AMS 6440 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL COMP E52100 OVERALL | | SPECIAL FEATURES | KEYWAYS 0.1800 IN. W BY 0.1500 IN. DEEP W/CENTER 2.8595 IN. MIN 2.8645 IN. MAX FROM OD,WASHER MADE IN HALVES AND ISSUED AS MATCHED SET | | STYLE DESIGNATOR | ROUND | | SURFACE FINISH | 13.0 MICROINCHES LEFT SIDE | | TEST DATA DOCUMENT | 81349-MIL-I-6868 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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