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National Stock Number:
3120-01-209-9521
Federal Supply Class:
3120
National Item Identification Number:
012099521
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:
| 709516 | 99167 | HAMILTON SUNDSTRAND CORPORATION |
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Techincal Specification:
| DIAMETER | 0.8550 INCHES MINIMUM AND 0.8570 INCHES MAXIMUM | | CENTER HOLE SHAPE STYLE | ROUND | | CORNER SHAPE | SQUARE ALL CORNERS | | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR | | LUBRICATION FEATURE | GROOVE LEFT SIDE | | LUBRICATION FEATURE | GROOVE RIGHT SIDE | | MATERIAL DOCUMENT AND CLASSIFICATION | AMS 4507 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | COPPER ALLOY 260 OVERALL | | PROPRIETARY CHARACTERISTICS | PACS | | OUTSIDE DIAMETER | 1.2710 INCHES MINIMUM AND 1.2910 INCHES MAXIMUM | | OVERALL THICKNESS | 0.0480 INCHES MINIMUM AND 0.0490 INCHES MAXIMUM | | SPECIAL FEATURES | FIGURE EIGHT SHAPE; EIGHT GROVES EQUALLY SPACED ON ONE FACE,SIX GROOVES OPPOSITE FACE BASED ON EIGHT GROOVES EQUALLY SPACED; TWO 1.2710 IN. MIN 1.2910 IN. MAX DIA CENTER HOLES | | SURFACE FINISH | 32.0 MICROINCHES LEFT SIDE | | SURFACE FINISH | 32.0 MICROINCHES RIGHT SIDE |
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