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National Stock Number:
3120-01-533-4869
Federal Supply Class:
3120
National Item Identification Number:
015334869
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:
| 8100-1251-0316 | 70876 | BATH IRON WORKS CORPORATION | | 8100-1251-0316 PT NO 307 | 70876 | BATH IRON WORKS CORPORATION |
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Techincal Specification:
| DIAMETER | 1.0312 INCHES NOMINAL | | CENTER HOLE SHAPE STYLE | ROUND | | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR | | MATERIAL DOCUMENT AND CLASSIFICATION | ASTM-B21 ALLOY A ASSN STD ALL MATERIAL RESPONSES OVERALL | | MATERIAL | ALUMINUM ALLOY OVERALL | | PROPRIETARY CHARACTERISTICS | PACS | | OUTSIDE DIAMETER | 1.7500 INCHES NOMINAL | | OVERALL THICKNESS | 0.1250 INCHES NOMINAL | | SPECIAL FEATURES | DISTRIBUTION OF DWG AUTHORIZED TO DEPARTMENT OF DEFENSE AND DOD CONTRACTORS ONLY | | STYLE DESIGNATOR | ROUND |
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