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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:
| CENTER HOLE SHAPE STYLE | ROUND | | CORNER SHAPE | CHAMFERED FIRST INSIDE CORNER | | CORNER SHAPE | CHAMFERED FIRST OUTSIDE CORNER | | CORNER SHAPE | CHAMFERED SECOND INSIDE CORNER | | CORNER SHAPE | CHAMFERED SECOND OUTSIDE CORNER | | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR | | DIAMETER | 6.0100 INCHES MAXIMUM | | OUTSIDE DIAMETER | 7.7500 INCHES NOMINAL | | OVERALL THICKNESS | 0.3750 INCHES MAXIMUM | | MATERIAL DOCUMENT AND CLASSIFICATION | ASTM B505 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | COPPER ALLOY 932 OVERALL | | STYLE DESIGNATOR | ROUND | | SURFACE FINISH | 125.0 MICROINCHES INSIDE DIAMETER SURFACE OF BODY | | SURFACE FINISH | 125.0 MICROINCHES LEFT SIDE | | SURFACE FINISH | 125.0 MICROINCHES RIGHT SIDE | | SURFACE FINISH | 250.0 MICROINCHES LARGEST OUTSIDE DIAMETER |
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