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National Stock Number:
3120-01-253-5445
Federal Supply Class:
3120
National Item Identification Number:
012535445
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:
| 742804 | 99167 | HAMILTON SUNDSTRAND CORPORATION |
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Techincal Specification:
| CENTER HOLE SHAPE STYLE | ROUND | | CORNER SHAPE | CHAMFERED SECOND OUTSIDE CORNER | | CORNER SHAPE | SQUARE FIRST INSIDE CORNER | | CORNER SHAPE | SQUARE FIRST OUTSIDE CORNER | | CORNER SHAPE | SQUARE SECOND INSIDE CORNER | | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR | | DIAMETER | 0.8000 INCHES MINIMUM AND 0.8100 INCHES MAXIMUM | | OVERALL THICKNESS | 0.0615 INCHES MINIMUM AND 0.0625 INCHES MAXIMUM | | MATERIAL DOCUMENT AND CLASSIFICATION | MS23.10 MFR REF SINGLE MATERIAL RESPONSE OR MS23.12 MFR REF SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL OVERALL | | SPECIAL FEATURES | 8 SLOTS EQUALLY SPACED IN INSIDE DIA | | WIDTH ACROSS FLATS | 1.3700 INCHES MINIMUM AND 1.3800 INCHES MAXIMUM | | SURFACE FINISH | 32.0 MICROINCHES LEFT SIDE | | SURFACE FINISH | 32.0 MICROINCHES RIGHT SIDE |
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