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National Stock Number:
3120-01-357-7830
Federal Supply Class:
3120
National Item Identification Number:
013577830
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:
| 53A-02-223 | 32386 | ILLINOIS TOOL WKS INC LINAC DIV | | 53A-02-223 | 53711 | NAVAL SEA SYSTEMS COMMAND | | 53X-02-223 | 53711 | NAVAL SEA SYSTEMS COMMAND |
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Techincal Specification:
| CENTER HOLE SHAPE STYLE | ROUND | | CORNER SHAPE | CHAMFERED FOURTH OUTSIDE CORNER | | CORNER SHAPE | SQUARE FIRST INSIDE CORNER | | CORNER SHAPE | SQUARE FIRST OUTSIDE CORNER | | CORNER SHAPE | SQUARE SECOND INSIDE CORNER | | CORNER SHAPE | SQUARE SECOND OUTSIDE CORNER | | CORNER SHAPE | SQUARE THIRD OUTSIDE CORNER | | CROSS-SECTIONAL SHAPE STYLE | SHOULDERED | | DIAMETER | 2.1300 INCHES MINIMUM AND 2.1400 INCHES MAXIMUM | | FLANGE THICKNESS | 0.1250 INCHES NOMINAL | | OUTSIDE DIAMETER | 3.7300 INCHES MINIMUM AND 3.7400 INCHES MAXIMUM | | OVERALL THICKNESS | 0.5000 INCHES NOMINAL | | MATERIAL DOCUMENT AND CLASSIFICATION | DELRIN 100AF,CAGEC 32386 MFR REF SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | PLASTIC ACETAL OVERALL | | SHANK OUTSIDE DIAMETER | 2.3850 INCHES MINIMUM AND 2.3880 INCHES MAXIMUM | | STYLE DESIGNATOR | ROUND |
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