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National Stock Number:
3120-00-294-0712
Federal Supply Class:
3120
National Item Identification Number:
002940712
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:
| S1423EG | 16712 | SIEMENS ENERGY, INC. | | S1423EG | 59180 | CIRCOR PUMPS NORTH AMERICA LLC |
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Techincal Specification:
| MATERIAL | COPPER ALLOY 934 OR | | COPPER ALLOY 910 OR | | COPPER ALLOY 932 OR | | COPPER ALLOY 938 OR | | COPPER ALLOY 940 OR | | COPPER ALLOY 943 OVERALL | | STYLE DESIGNATOR | ROUND | | OUTSIDE DIAMETER | 1.9375 INCHES NOMINAL | | CORNER SHAPE | SQUARE ALL CORNERS | | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR | | OVERALL THICKNESS | 0.4420 INCHES NOMINAL | | CENTER HOLE SHAPE STYLE | ROUND | | DIAMETER | 1.0790 INCHES NOMINAL | | SURFACE CONDITION | GROUND | | LUBRICATION FEATURE | GROOVE FLAT BEARING SURFACE | | GROOVE FLAT UNFINISHED SURFACE | | GROOVE INTERNAL SURFACES | | SPECIAL FEATURES | W12 GROOVES ON EACH SIDE,2 GROOVES IN IDSPACED 180 DEG APART |
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