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National Stock Number:
3120-12-176-9012
Federal Supply Class:
3120
National Item Identification Number:
121769012
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:
| 2300002-081300-011 | D1839 | BUNDESAMT FUER AUSRUESTUNG, | | 2300002-081300.011 | C2311 | BUNDESAMT FUER AUSRUESTUNG, INFORMATIONSTECHNIK UND NUTZUNG DER BUNDESWEHR (BAAINBW) - BENUTZUNGSRECHTE AN TECHNISCHEN U | | 2300002-081300.011 | D1839 | BUNDESAMT FUER AUSRUESTUNG, | | 2300002-081300.011 | D9448 | RHEINMETALL LANDSYSTEME GMBH | | 2300002-081300.011 | DRMV1 | RHEINMETALL MAN MILITARY VEHICLES GMBH | | 9 831 408 | D8046 | DAIMLER AG | | 9831408 | D8046 | DAIMLER AG |
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Techincal Specification:
| DIAMETER | 62.1 MILLIMETERS MINIMUM AND 62.4 MILLIMETERS MAXIMUM | | CENTER HOLE SHAPE STYLE | ROUND | | CORNER SHAPE | SQUARE FIRST OUTSIDE CORNER | | CORNER SHAPE | SQUARE SECOND OUTSIDE CORNER | | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR | | MATERIAL | COPPER ALLOY 2.0321 OVERALL | | OUTSIDE DIAMETER | 82.0 MILLIMETERS NOMINAL | | OVERALL THICKNESS | 4.45 MILLIMETERS MINIMUM AND 4.50 MILLIMETERS MAXIMUM | | SPECIAL FEATURES | SLIDING SURFACES WITH RADIAL SLOTS PROVIDE | | STYLE DESIGNATOR | ROUND |
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