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National Stock Number:
3120-20-000-3898
Federal Supply Class:
3120
National Item Identification Number:
200003898
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:
| 10655777-001 | 56161 | GENERAL DYNAMICS LAND SYSTEMS - CANADA CORPORATION |
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Techincal Specification:
| CENTER HOLE SHAPE STYLE | ROUND | | CORNER SHAPE | CHAMFERED ALL CORNERS | | MATERIAL | PLASTIC,ACETAL,COPOLYMER PER ASTM D6100-S-POM0211;MADE FROM RESIN ASTM D4181POM211 | | OUTSIDE DIAMETER | 142.97 MILLIMETERS MINIMUM AND 143.0 MILLIMETERS MAXIMUM | | OVERALL LENGTH | 6.4 MILLIMETERS MINIMUM AND 7.1 MILLIMETERS MAXIMUM | | STYLE DESIGNATOR | SEGMENTED, PLAIN, NO OUTSIDE FLANGES |
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