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National Stock Number:
3120-00-394-6318
Federal Supply Class:
3120
National Item Identification Number:
003946318
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:
| M1086SPCL | 70901 | BEEMER PRECISION INC |
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Techincal Specification:
| CENTER HOLE SHAPE STYLE | ROUND | | CORNER SHAPE | CHAMFERED FIRST OUTSIDE CORNER | | CORNER SHAPE | CHAMFERED SECOND OUTSIDE CORNER | | CORNER SHAPE | CHAMFERED THIRD INSIDE CORNER | | CORNER SHAPE | SQUARE FIRST INSIDE CORNER | | CORNER SHAPE | SQUARE FOURTH INSIDE CORNER | | CORNER SHAPE | SQUARE SECOND INSIDE CORNER | | COUNTERBORE DEPTH | 0.0700 INCHES NOMINAL | | COUNTERBORE DIAMETER | 0.7500 INCHES NOMINAL | | CROSS-SECTIONAL SHAPE STYLE | COUNTERBORED | | DIAMETER | 0.3758 INCHES MINIMUM AND 0.3778 INCHES MAXIMUM | | KEY QUANTITY | 1 | | KEYWAY RADIUS | 0.1250 INCHES NOMINAL | | KEYWAY QUANTITY | 1 | | LUBRICATION FEATURE | GROOVE EXTERNAL SURFACE MEMBER | | OUTSIDE DIAMETER | 1.0000 INCHES NOMINAL | | OVERALL THICKNESS | 2.3750 INCHES NOMINAL | | MATERIAL | COPPER ALLOY OVERALL | | MATERIAL | LUBRICANT LUBRICATION | | WASHER KEYWAY DEPTH | 0.0625 INCHES NOMINAL | | STYLE DESIGNATOR | ROUND W/KEYWAYS | | SURFACE CONDITION | GROUND |
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