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National Stock Number:
3120-00-662-1943
Federal Supply Class:
3120
National Item Identification Number:
006621943
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:
| 8069148 | 24617 | GENERAL MOTORS CORP | | 8069148 | 72915 | GENERAL MOTORS CORP ELECTRO-MOTIVE DIV | | 8075178PC8069148 | 24617 | GENERAL MOTORS CORP | | 8075178PC8069148 | 72915 | GENERAL MOTORS CORP ELECTRO-MOTIVE DIV | | 8075179PC8069148 | 24617 | GENERAL MOTORS CORP | | 8075179PC8069148 | 72915 | GENERAL MOTORS CORP ELECTRO-MOTIVE DIV | | 8075182PC8069148 | 24617 | GENERAL MOTORS CORP | | 8075182PC8069148 | 72915 | GENERAL MOTORS CORP ELECTRO-MOTIVE DIV | | 81129S41-575178PC8069148 | 80064 | NAVAL SHIP SYSTEMS COMMAND | | 81129S41-575179PC8069148 | 80064 | NAVAL SHIP SYSTEMS COMMAND | | 81129S41-575182PC8069148 | 80064 | NAVAL SHIP SYSTEMS COMMAND |
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Techincal Specification:
| CENTER HOLE KEYWAY QUANTITY | 4 | | CENTER HOLE KEYWAY RADIUS | 0.2500 INCHES NOMINAL | | CENTER HOLE SHAPE STYLE | ROUND W/ROUND KEYWAYS | | CORNER SHAPE | SQUARE ALL CORNERS | | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR | | HARDNESS RATING | 50.0 BRINELL STANDARD MINIMUM AND 60.0 BRINELL STANDARD MAXIMUM OVERALL | | LUBRICATION FEATURE | GROOVE FLAT BEARING SURFACE | | LUBRICATION FEATURE | GROOVE FLAT UNFINISHED SURFACE | | MAJOR DIAMETER | 4.5040 INCHES NOMINAL | | OUTSIDE DIAMETER | 6.0000 INCHES MINIMUM AND 6.0100 INCHES MAXIMUM | | OVERALL THICKNESS | 0.3140 INCHES MINIMUM AND 0.3160 INCHES MAXIMUM | | MATERIAL | COPPER ALLOY OVERALL | | MINOR DIAMETER | 4.0040 INCHES MINIMUM AND 4.0050 INCHES MAXIMUM | | SPECIAL FEATURES | FOUR GROOVES ON EACH SIDE | | STYLE DESIGNATOR | ROUND |
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