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National Stock Number:
3120-01-177-1828
Federal Supply Class:
3120
National Item Identification Number:
011771828
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:
| 717832 | 99167 | HAMILTON SUNDSTRAND CORPORATION |
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Techincal Specification:
| PROPRIETARY CHARACTERISTICS | PACS | | OUTSIDE DIAMETER | 1.1870 INCHES MINIMUM AND 1.1920 INCHES MAXIMUM | | OVERALL THICKNESS | 0.0460 INCHES MINIMUM AND 0.0480 INCHES MAXIMUM | | SPECIAL FEATURES | EIGHT LUBRICATION SLOTS 0.0050 IN. MIN 0.0150 IN. MAX DEEP EQUALLY SPACED ON ONE SURFACE | | SURFACE FINISH | 64.0 MICROINCHES RIGHT SIDE | | DIAMETER | 0.7890 INCHES MINIMUM AND 0.7990 INCHES MAXIMUM | | CENTER HOLE SHAPE STYLE | ROUND | | CORNER SHAPE | SQUARE ALL CORNERS | | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR | | HARDNESS RATING | 36.0 ROCKWELL C MINIMUM OVERALL AND 42.0 ROCKWELL C MAXIMUM OVERALL | | MATERIAL DOCUMENT AND CLASSIFICATION | AMS 4530 ASSN STD SINGLE MATERIAL RESPONSE OVERALL OR AMS 4650 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | COPPER ALLOY 172 OVERALL |
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