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National Stock Number:
3120-00-152-0719
Federal Supply Class:
3120
National Item Identification Number:
001520719
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:
| 9466539-1 | 24446 | GENERAL ELECTRIC COMPANY | | 9466539-1 | 71669 | GENERAL ELECTRIC CO SWITCHGEAR AND CONTROL DIVISION OF APPARATUS GROUP |
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Techincal Specification:
| BEARING SURFACE HOLE DIAMETER | 0.3125 INCHES NOMINAL FIRST | | BEARING SURFACE HOLE QUANTITY | 1 FIRST | | CENTER HOLE SHAPE STYLE | ROUND | | CORNER SHAPE | SQUARE ALL CORNERS | | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR | | DIAMETER | 2.7500 INCHES NOMINAL | | LUBRICATION MATERIAL | LUBRICANT, MANUFACTURERS STANDARD | | OUTSIDE DIAMETER | 3.9370 INCHES NOMINAL | | OVERALL THICKNESS | 0.3430 INCHES NOMINAL | | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-16974 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL COMP 1030 OVERALL | | SPECIAL FEATURES | WASHER CUT INTO TWO HALVES,CUT IS 42.5 DEGREES FROM CENTER OFSURFACE HOLE | | STYLE DESIGNATOR | ROUND | | SURFACE CONDITION | GROUND |
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