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National Stock Number:
3120-01-340-0280
Federal Supply Class:
3120
National Item Identification Number:
013400280
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:
| 746789 | 99167 | HAMILTON SUNDSTRAND CORPORATION |
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Techincal Specification:
| DIAMETER | 0.2000 INCHES MINIMUM AND 0.2020 INCHES MAXIMUM | | CENTER HOLE SHAPE STYLE | ROUND | | CORNER SHAPE | SQUARE ALL CORNERS | | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR | | HARDNESS RATING | 35.0 ROCKWELL C MINIMUM OVERALL AND 40.0 ROCKWELL C MAXIMUM OVERALL | | MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5659 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL COMP XM-12 OVERALL | | PROPRIETARY CHARACTERISTICS | PACS | | OUTSIDE DIAMETER | 0.3150 INCHES MINIMUM AND 0.3200 INCHES MAXIMUM | | OVERALL THICKNESS | 0.0200 INCHES MINIMUM AND 0.0280 INCHES MAXIMUM | | STYLE DESIGNATOR | ROUND | | SURFACE FINISH | 16.0 MICROINCHES LEFT SIDE16.0 MICROINCHES RIGHT SIDE | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL | | SURFACE TREATMENT | PASSIVATE OVERALL |
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