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National Stock Number:
3120-01-160-6884
Federal Supply Class:
3120
National Item Identification Number:
011606884
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:
| B135673-1 | 13030 | LOCKHEED MARTIN SIPPICAN, INC. |
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Techincal Specification:
| MATERIAL | PLASTIC POLYETHYLENE OVERALL | | MATERIAL DOCUMENT AND CLASSIFICATION | 1414M,FSCM 13030 MFR REF SINGLE MATERIAL RESPONSE OVERALL | | STYLE DESIGNATOR | ROUND | | OUTSIDE DIAMETER | 5.0000 INCHES NOMINAL | | CORNER SHAPE | SQUARE ALL CORNERS | | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR | | OVERALL THICKNESS | 0.1720 INCHES MINIMUM AND | | 0.1770 INCHES MAXIMUM | | CENTER HOLE SHAPE STYLE | ROUND W/ROUND KEYWAY | | DIAMETER | 1.8430 INCHES NOMINAL | | CENTER HOLE KEYWAY DEPTH | 0.2810 INCHES NOMINAL | | CENTER HOLE KEYWAY RADIUS | 0.2810 INCHES NOMINAL | | CENTER HOLE KEYWAY QUANTITY | 1 | | SURFACE FINISH | 125.0 MICROINCHES INSIDE DIAMETER SURFACE OF BODY | | 125.0 MICROINCHES LARGEST OUTSIDE DIAMETER | | 63.0 MICROINCHES LEFT SIDE | | 63.0 MICROINCHES RIGHT SIDE | | SPECIAL FEATURES | ENGRAVED LINE 0.0300 IN. NOM WIDE; 0.0200 IN. MIN,0.0300 IN. MAX DEEP ON OD | | THE MANUFACTURERS DATA | | | MANUFACTURERS CODE | 13030 | | DESIGN CONTROL REFERENCE | B135673-1 |
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