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National Stock Number:
3120-01-169-2993
Federal Supply Class:
3120
National Item Identification Number:
011692993
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:
| 922F776 ITEM 11 | 94259 | BECHTEL MARINE PROPULSION CORPORATION | | RO0141 | 13873 | DLA AVIATION | | TT-504 | 70417 | CHRYSLER CORP AMPLEX DIV |
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Techincal Specification:
| CENTER HOLE SHAPE STYLE | ROUND | | CORNER SHAPE | SQUARE ALL CORNERS | | CRITICALITY CODE JUSTIFICATION | ZZZY | | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR | | DEPARTURE FROM CITED DOCUMENT | AS MODIFIED BY MATERIAL | | DIAMETER | 0.2500 INCHES MINIMUM AND 0.2600 INCHES MAXIMUM | | OUTSIDE DIAMETER | 0.4900 INCHES MINIMUM AND 0.5100 INCHES MAXIMUM | | OVERALL THICKNESS | 0.0190 INCHES MINIMUM AND 0.0200 INCHES MAXIMUM | | MATERIAL | COPPER ALLOY OVERALL | | MATERIAL | OIL LUBRICATING LUBRICATION | | REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS | AS DIFFERENTIATED BY MATERIAL WHICH MUST CONFORM TO SHIPS PARTS CONTROL CENTER SPECIAL QUALITY CONTROL PROVISIONS AND CERTIFIED FREE FROM MERCURY CONTAMINATION | | SPECIAL TEST FEATURES | SPECIAL QUALITY CONTROL TESTING | | STYLE DESIGNATOR | ROUND | | TEST DATA DOCUMENT | 81349-MIL-P-23199 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.). |
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