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National Stock Number:
3120-00-797-2500
Federal Supply Class:
3120
National Item Identification Number:
007972500
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:
| 2620-904PC6-1-4IN | 96169 | ELECTRIC BOAT CORPORATION | | 45-05-07 | 98991 | WORCESTER CONTROLS CORP P O BOX 2609 COOKEVILLE TN 385022609 | | 56-13-1216 | 96169 | ELECTRIC BOAT CORPORATION | | D41907TVPC6-1-4 | 98991 | WORCESTER CONTROLS CORP P O BOX 2609 COOKEVILLE TN 385022609 | | 2620-904PC6-1-4IN | H6176 | WORCESTER CONTROL EUROPE BV |
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Techincal Specification:
| MATERIAL | PLASTIC POLYAMIDE OVERALL | | STYLE DESIGNATOR | ROUND | | OUTSIDE DIAMETER | 0.4860 INCHES MINIMUM AND | | 0.4960 INCHES MAXIMUM | | CORNER SHAPE | SQUARE ALL CORNERS | | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR | | OVERALL THICKNESS | 0.0610 INCHES NOMINAL | | CENTER HOLE SHAPE STYLE | ROUND | | DIAMETER | 0.3640 INCHES MINIMUM AND | | 0.3740 INCHES MAXIMUM | | SURFACE CONDITION | GROUND | | THE MANUFACTURERS DATA | | | MANUFACTURERS CODE | 98991 | | DESIGN CONTROL REFERENCE | 45-05-07 |
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