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National Stock Number:
3120-01-044-6637
Federal Supply Class:
3120
National Item Identification Number:
010446637
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:
| ASC1101651 | Z4779 | ASC PTY LTD | | B102158 | 13030 | LOCKHEED MARTIN SIPPICAN, INC. | | RE-B102158 | 13030 | LOCKHEED MARTIN SIPPICAN, INC. | | RE-B102158 | 53711 | NAVAL SEA SYSTEMS COMMAND |
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Techincal Specification:
| STYLE DESIGNATOR | ROUND | | OUTSIDE DIAMETER | 2.8594 INCHES MINIMUM AND | | 2.8906 INCHES MAXIMUM | | CORNER SHAPE | SQUARE FIRST OUTSIDE CORNER | | SQUARE SECOND OUTSIDE CORNER | | SQUARE THIRD OUTSIDE CORNER | | SQUARE FOURTH OUTSIDE CORNER | | SQUARE FIRST INSIDE CORNER | | SQUARE SECOND INSIDE CORNER | | CROSS-SECTIONAL SHAPE STYLE | SHOULDERED | | OVERALL THICKNESS | 0.4531 INCHES MINIMUM AND | | 0.4844 INCHES MAXIMUM | | CENTER HOLE SHAPE STYLE | ROUND | | DIAMETER | 2.0030 INCHES MINIMUM AND | | 2.0040 INCHES MAXIMUM |
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