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National Stock Number:
3120-00-309-4394
Federal Supply Class:
3120
National Item Identification Number:
003094394
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:
| 200042688 | 01220 | SYSTRON-DONNER CORP MICROWAVE/INSTRUMENT DIV | | 20042688 | 01220 | SYSTRON-DONNER CORP MICROWAVE/INSTRUMENT DIV |
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Techincal Specification:
| CENTER HOLE SHAPE STYLE | ROUND | | CORNER SHAPE | SQUARE FIRST INSIDE CORNER | | CORNER SHAPE | SQUARE FIRST OUTSIDE CORNER | | CORNER SHAPE | SQUARE FOURTH INSIDE CORNER | | CORNER SHAPE | SQUARE SECOND INSIDE CORNER | | CORNER SHAPE | SQUARE SECOND OUTSIDE CORNER | | CORNER SHAPE | SQUARE THIRD INSIDE CORNER | | COUNTERBORE DEPTH | 0.0200 INCHES NOMINAL | | COUNTERBORE DIAMETER | 0.2500 INCHES NOMINAL | | CROSS-SECTIONAL SHAPE STYLE | COUNTERBORED | | DIAMETER | 0.1630 INCHES MINIMUM AND 0.1690 INCHES MAXIMUM | | OUTSIDE DIAMETER | 0.3290 INCHES MINIMUM AND 0.3390 INCHES MAXIMUM | | OVERALL THICKNESS | 0.0490 INCHES MINIMUM AND 0.0510 INCHES MAXIMUM | | MATERIAL | STEEL COMP 302 OR STEEL COMP 303 OVERALL | | STYLE DESIGNATOR | ROUND | | SURFACE CONDITION | GROUND | | SURFACE TREATMENT | PASSIVATE OVERALL |
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