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National Stock Number:
3120-00-572-5021
Federal Supply Class:
3120
National Item Identification Number:
005725021
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:
| A25A706-066-1 | 73842 | GOODYEAR TIRE AND RUBBER CO THE | | A25A706-066-1 | 99696 | LOCKHEED MARTIN CORPORATION DIV LOCKHEED MARTIN SYSTEMS & GLOBAL SOLUTIONS |
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Techincal Specification:
| CENTER HOLE SHAPE STYLE | ROUND | | CORNER SHAPE | SQUARE ALL CORNERS | | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR | | DIAMETER | 1.2000 INCHES NOMINAL | | OUTSIDE DIAMETER | 1.2810 INCHES NOMINAL | | OVERALL THICKNESS | 0.0890 INCHES MINIMUM AND 0.0990 INCHES MAXIMUM | | MATERIAL DOCUMENT AND CLASSIFICATION | WW-T-700/6,T6 FED SPEC SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | ALUMINUM ALLOY 6061 OVERALL | | STYLE DESIGNATOR | ROUND | | SURFACE CONDITION | LAPPED | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-C-5541 FED SPEC SINGLE TREATMENT RESPONSE OR GAC-F-63.00B,FSCM 99696 MFR REF SINGLE TREATMENT RESPONSE OVERALL | | SURFACE TREATMENT | CHROMATE OVERALL |
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