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National Stock Number:
3120-01-335-3017
Federal Supply Class:
3120
National Item Identification Number:
013353017
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:
| S6110-21015 | 78286 | SIKORSKY AIRCRAFT CORPORATION | | S6110-21015-000 | 78286 | SIKORSKY AIRCRAFT CORPORATION |
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Techincal Specification:
| DIAMETER | 0.5800 INCHES MINIMUM AND 0.5850 INCHES MAXIMUM | | CENTER HOLE SHAPE STYLE | ROUND | | CORNER SHAPE | SQUARE ALL CORNERS | | HARDNESS RATING | 34.0 ROCKWELL C MINIMUM OVERALL AND 38.0 ROCKWELL C MAXIMUM OVERALL | | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-6758 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL OR MIL-T-6736 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL COMP 4130 OVERALL | | PROPRIETARY CHARACTERISTICS | PACS | | OUTSIDE DIAMETER | 1.0620 INCHES NOMINAL | | OVERALL THICKNESS | 0.1240 INCHES MINIMUM AND 0.1250 INCHES MAXIMUM | | SPECIAL FEATURES | ID COUNTERSUNK 90.0 DEG BY 0.750 IN. DIA | | STYLE DESIGNATOR | ROUND | | SURFACE FINISH | 100.0 MICROINCHES INSIDE DIAMETER SURFACE OF BODY | | SURFACE FINISH | 20.0 MICROINCHES LEFT SIDE | | SURFACE FINISH | 20.0 MICROINCHES RIGHT SIDE | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TYPE 1 FED SPEC SINGLE TREATMENT RESPONSE OVERALL | | SURFACE TREATMENT | CADMIUM OVERALL |
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