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National Stock Number:
3120-01-220-3545
Federal Supply Class:
3120
National Item Identification Number:
012203545
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:
| 4G94457-103A | 50632 | KAMATICS CORPORATION | | 4G94457-103A | 81376 | RBC SOUTHWEST PRODUCTS, INC. | | 4G94457-103A | 98897 | LOCKHEED MARTIN CORP | | DW-185-004 | 81376 | RBC SOUTHWEST PRODUCTS, INC. | | KJT110999V | 50632 | KAMATICS CORPORATION |
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Techincal Specification:
| CENTER HOLE SHAPE STYLE | ROUND | | CORNER SHAPE | SQUARE ALL CORNERS | | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR | | DIAMETER | 11.5900 INCHES MINIMUM AND 11.6000 INCHES MAXIMUM | | OUTSIDE DIAMETER | 12.3200 INCHES MINIMUM | | OVERALL THICKNESS | 0.1250 INCHES MINIMUM AND 0.1290 INCHES MAXIMUM | | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-5059 MIL SPEC SINGLE MATERIAL RESPONSE INNER LAYER | | MATERIAL | PLASTIC POLYTETRAFLUOROETHYLENE OUTER LAYER | | MATERIAL | STEEL COMP 301 INNER LAYER | | SPECIAL FEATURES | USED ON STRUT ASSY,NLG | | STYLE DESIGNATOR | ROUND | | SURFACE TREATMENT | PASSIVATE OVERALL |
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