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National Stock Number:
3120-00-340-4429
Federal Supply Class:
3120
National Item Identification Number:
003404429
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:
| 04P237894-33 | 98738 | HERLEY CHICAGO DBA STEWART WARNER ELECTRONICS |
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Techincal Specification:
| MATERIAL | STEEL COMP 302 OR | | STEEL COMP 410 OR | | STEEL COMP 420 OR | | STEEL COMP 303 OR | | STEEL COMP 416 OVERALL | | MATERIAL DOCUMENT AND CLASSIFICATION | ASTM A582 ASSN STD ALL MATERIAL RESPONSES OVERALL | | SURFACE TREATMENT | PASSIVATE OVERALL | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL | | STYLE DESIGNATOR | ROUND | | OUTSIDE DIAMETER | 0.2560 INCHES MINIMUM AND | | 0.2610 INCHES MAXIMUM | | CORNER SHAPE | SQUARE ALL CORNERS | | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR | | OVERALL THICKNESS | 0.0325 INCHES MINIMUM AND | | 0.0335 INCHES MAXIMUM | | CENTER HOLE SHAPE STYLE | ROUND | | DIAMETER | 0.1880 INCHES MINIMUM AND | | 0.1900 INCHES MAXIMUM | | SURFACE FINISH | 63.0 MICROINCHES INSIDE DIAMETER SURFACE OF BODY | | 63.0 MICROINCHES LARGEST OUTSIDE DIAMETER | | 16.0 MICROINCHES LEFT SIDE | | 16.0 MICROINCHES RIGHT SIDE | | SPECIAL FEATURES | FACES PARALLEL WITHIN 0.0002 IN. |
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