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National Stock Number:
3120-00-489-4277
Federal Supply Class:
3120
National Item Identification Number:
004894277
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:
| 10250034 | 18876 | U S ARMY AVIATION AND MISSILE COMMAND | | 151772 | 19139 | EASTMAN KODAK CO | | 315-750-4 | 00481 | ASCO SINTERING CO | | 302MR040P001 | 05030 | RAYTHEON CO MISSILE SYSTEMS DIV LOWELL PLANT | | 302MR040P001 | 49956 | RAYTHEON COMPANY | | ASTM B438 | 81346 | AMERICAN SOCIETY FOR TESTING AND MATERIALS | | ST36D39-3 | 04236 | LOCKHEED MARTIN CORP | | T709-1 | 12204 | DAIMLER CHRYSLER | | T709-1 | 70417 | CHRYSLER CORP AMPLEX DIV | | EW051201 | 71366 | BUNTING BEARINGS CORP | | MS21783 | 80205 | NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE | | NAS77 | 80205 | NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE | | MS21783-05122 | 81346 | AMERICAN SOCIETY FOR TESTING AND MATERIALS | | MS21783-05122 | 96906 | MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M | | TW31 | 60960 | BUNTING BEARINGS CORP KALAMAZOO PLANT | | TT709-1 | 70417 | CHRYSLER CORP AMPLEX DIV | | TT709-1 | 70901 | BEEMER PRECISION INC | | TB512 | 71041 | ALTRA INDUSTRIAL MOTION CORP. | | TW31 | 71366 | BUNTING BEARINGS CORP |
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Techincal Specification:
| CENTER HOLE SHAPE STYLE | ROUND | | CORNER SHAPE | SQUARE ALL CORNERS | | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR | | DIAMETER | 0.3200 INCHES NOMINAL | | OUTSIDE DIAMETER | 0.7500 INCHES NOMINAL | | OVERALL THICKNESS | 0.0620 INCHES NOMINAL | | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-B-5687,TY 1,COMP A MIL SPEC SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-L-6085 MIL SPEC SINGLE MATERIAL RESPONSE LUBRICATION | | MATERIAL | COPPER ALLOY OVERALL | | MATERIAL | OIL LUBRICATING LUBRICATION | | STYLE DESIGNATOR | ROUND |
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