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National Stock Number:
3120-00-775-2541
Federal Supply Class:
3120
National Item Identification Number:
007752541
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:
| 2640-040-9 | 96169 | ELECTRIC BOAT CORPORATION | | 2640-041-9 | 96169 | ELECTRIC BOAT CORPORATION | | 845-2180776PC8 | 80064 | NAVAL SHIP SYSTEMS COMMAND | | 845-4558730 ITE | 80064 | NAVAL SHIP SYSTEMS COMMAND | | 9800-305X1PC11 | 96169 | ELECTRIC BOAT CORPORATION | | 2640-042-9 | 96169 | ELECTRIC BOAT CORPORATION | | 9800-306X1PC11 | 96169 | ELECTRIC BOAT CORPORATION | | 9800-307X1PC11 | 96169 | ELECTRIC BOAT CORPORATION |
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Techincal Specification:
| CENTER HOLE SHAPE STYLE | ROUND | | CORNER SHAPE | SQUARE ALL CORNERS | | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR | | DIAMETER | 0.5930 INCHES NOMINAL | | HARDNESS RATING | 75.0 ROCKWELL M NOMINAL OUTSIDE DIAMETER SURFACE OF BODY | | OUTSIDE DIAMETER | 0.7810 INCHES NOMINAL | | OVERALL THICKNESS | 0.1250 INCHES NOMINAL | | MATERIAL | LUBRICANT LUBRICATION | | MATERIAL | PLASTIC POLYAMIDE (NYLON) OVERALL | | STYLE DESIGNATOR | ROUND | | SURFACE FINISH | 125.0 MICROINCHES INSIDE DIAMETER SURFACE OF BODY | | SURFACE FINISH | 125.0 MICROINCHES LARGEST OUTSIDE DIAMETER | | SURFACE FINISH | 32.0 MICROINCHES LEFT SIDE | | SURFACE FINISH | 32.0 MICROINCHES RIGHT SIDE |
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