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National Stock Number:
3120-01-399-2738
Federal Supply Class:
3120
National Item Identification Number:
013992738
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:
| 14551102 PIECE 21 | 0DHG4 | GULF COAST HOLDINGS INC DBA UNIDYNAMICS | | 14551102 PIECE 21 | 95310 | UNIDYNAMICS/SAINT LOUIS INC CONROE OPNS | | MS17811 | 96906 | MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M | | MS17811-16 | 96906 | MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M |
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Techincal Specification:
| CENTER HOLE SHAPE STYLE | ROUND | | CORNER SHAPE | SQUARE ALL CORNERS | | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR | | DIAMETER | 0.7520 INCHES MINIMUM AND 0.7570 INCHES MAXIMUM | | FEATURES PROVIDED | CASEHARDENED | | HARDNESS RATING | 58.0 ROCKWELL C MINIMUM OVERALL | | OVERALL THICKNESS | 0.1230 INCHES MINIMUM AND 0.1270 INCHES MAXIMUM | | MATERIAL | STEEL COMP 1020 OVERALL | | OUTSIDE DIAMETER | 1.6200 INCHES MINIMUM AND 1.6300 INCHES MAXIMUM | | STYLE DESIGNATOR | ROUND |
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