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National Stock Number:
3120-00-364-2313
Federal Supply Class:
3120
National Item Identification Number:
003642313
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:
| 21-04599-00 | 0AHP5 | CURTISS-WRIGHT CONTROLS, INC. | | 3272715 | 55380 | HATCH & KIRK, INC. | | G34BD28 | 0AHP5 | CURTISS-WRIGHT CONTROLS, INC. | | 3276556 | 55380 | HATCH & KIRK, INC. | | 3276556 | 72915 | GENERAL MOTORS CORP ELECTRO-MOTIVE DIV | | 3272715 | 72915 | GENERAL MOTORS CORP ELECTRO-MOTIVE 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 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 | 0.3147 INCHES MINIMUM AND 0.3155 INCHES MAXIMUM | | HARDNESS RATING | 55.0 ROCKWELL C MINIMUM AND 60.0 ROCKWELL C MAXIMUM OVERALL | | OUTSIDE DIAMETER | 1.0000 INCHES NOMINAL | | OVERALL THICKNESS | 0.2500 INCHES NOMINAL | | MATERIAL | STEEL OVERALL | | SHANK OUTSIDE DIAMETER | 0.3750 INCHES NOMINAL | | STYLE DESIGNATOR | ROUND | | SURFACE CONDITION | GROUND |
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