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National Stock Number:
3120-01-552-0980
Federal Supply Class:
3120
National Item Identification Number:
015520980
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:
| 228KD236A-P260 | 89619 | MACK TRUCKS, INC. | | 228KD236A-P260 | Z4117 | VOLVO GROUP GOVERNMENT SALES OCEANIA |
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Techincal Specification:
| CENTER HOLE SHAPE STYLE | ROUND W/KEYWAYS | | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR | | HARDNESS RATING | 40.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM OVERALL | | OUTSIDE DIAMETER | 2.8590 INCHES MINIMUM AND 2.8910 INCHES MAXIMUM | | OVERALL THICKNESS | 0.2590 INCHES MINIMUM AND 0.2610 INCHES MAXIMUM | | MATERIAL DOCUMENT AND CLASSIFICATION | SAE J403 NO 1074 ASSN STD ALL MATERIAL RESPONSES OVERALL | | MATERIAL | STEEL OVERALL | | MINOR DIAMETER | 1.8900 INCHES MINIMUM AND 1.9000 INCHES MAXIMUM | | PART NAME ASSIGNED BY CONTROLLING AGENCY | WASHER, THRUST M. S. 4TH SPEED (SELECTIVE) | | SPECIAL FEATURES | PART NO. RUBBER STAMPED ON PART; PART HAS 4 SETS OF 3 TEETH EQUALLY SPACED ON INNER DIAMETER OF BEARING | | STYLE DESIGNATOR | ROUND |
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