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National Stock Number:
3120-00-486-2258
Federal Supply Class:
3120
National Item Identification Number:
004862258
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:
| 805015 | 23382 | FWD SEAGRAVE HOLDINGS LP |
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Techincal Specification:
| CENTER HOLE SHAPE STYLE | ROUND | | CORNER SHAPE | SQUARE FIRST INSIDE CORNER | | CORNER SHAPE | SQUARE SECOND INSIDE CORNER | | CROSS-SECTIONAL SHAPE STYLE | CONVEX | | CURVATURE INSIDE RADIUS | 3.7900 INCHES NOMINAL | | CURVATURE OUTSIDE RADIUS | 3.8500 INCHES MINIMUM AND 3.8540 INCHES MAXIMUM | | DIAMETER | 1.2650 INCHES NOMINAL | | OUTSIDE DIAMETER | 3.0000 INCHES NOMINAL | | OVERALL THICKNESS | 0.0600 INCHES MINIMUM AND 0.0640 INCHES MAXIMUM | | MATERIAL | CARBON GRAPHITE OVERALL | | STYLE DESIGNATOR | ROUND | | SURFACE CONDITION | GROUND |
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