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National Stock Number:
3120-00-374-4167
Federal Supply Class:
3120
National Item Identification Number:
003744167
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:
| 4X19 | 05104 | BADGER CO INC THE | | 4X19 | 70876 | BATH IRON WORKS CORPORATION | | Y400C218 | 14351 | TELEDYNE CONTINENTAL MOTORS INDUSTRIAL PRODUCTS DIV TELEDYNE INDUSTRIES INC SUB OF TELEDYNE INC | | DC2684 | 35311 | AMERICAN STANDARD INC WESTINGHOUSE AIR BRAKE CO DIV |
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Techincal Specification:
| CENTER HOLE SHAPE STYLE | ROUND | | CORNER SHAPE | SQUARE ALL CORNERS | | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR | | DIAMETER | 1.7812 INCHES NOMINAL | | OUTSIDE DIAMETER | 2.6250 INCHES NOMINAL | | OVERALL THICKNESS | 0.0920 INCHES MINIMUM AND 0.0960 INCHES MAXIMUM | | MATERIAL DOCUMENT AND CLASSIFICATION | SAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | COPPER ALLOY 937 OVERALL | | SPECIAL FEATURES | W/2 GROOVES,2ND BEARING SURFACE HOLE IS SPACED 75 DEG CW FROM 1ST HOLE AND 3RD HOLE SPACED 45 DEG CW FROM 2ND HOLE ON 2.2500 IN. BOLT CIRCLE | | STYLE DESIGNATOR | ROUND |
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