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National Stock Number:
3120-01-373-1697
Federal Supply Class:
3120
National Item Identification Number:
013731697
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:
| 2B1-05333 | 34712 | LAKE SHORE SYSTEMS, INC. | | 2B1-05333VM | 03950 | NAVAL INVENTORY CONTROL POINT MECHANICSBURG | | 2D3-03458 ITEM 42VM | 03950 | NAVAL INVENTORY CONTROL POINT MECHANICSBURG | | 2D3-03458 ITEM 42 | 34712 | LAKE SHORE SYSTEMS, INC. |
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Techincal Specification:
| MATERIAL | COPPER ALLOY 932 OVERALL | | MATERIAL DOCUMENT AND CLASSIFICATION | ASTM B505 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | STYLE DESIGNATOR | ROUND | | OUTSIDE DIAMETER | 7.7500 INCHES NOMINAL | | CORNER SHAPE | CHAMFERED FIRST OUTSIDE CORNER | | CHAMFERED SECOND OUTSIDE CORNER | | CHAMFERED FIRST INSIDE CORNER | | CHAMFERED SECOND INSIDE CORNER | | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR | | OVERALL THICKNESS | 0.3750 INCHES MAXIMUM | | CENTER HOLE SHAPE STYLE | ROUND | | DIAMETER | 6.0100 INCHES MAXIMUM | | SURFACE FINISH | 125.0 MICROINCHES INSIDE DIAMETER SURFACE OF BODY | | 250.0 MICROINCHES LARGEST OUTSIDE DIAMETER | | 125.0 MICROINCHES LEFT SIDE | | 125.0 MICROINCHES RIGHT SIDE |
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