|
|
|
National Stock Number:
3120-00-477-8890
Federal Supply Class:
3120
National Item Identification Number:
004778890
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.
|
Manufacturer Information:
| 714-4329741PC007 | 81316 | PORTSMOUTH NAVAL SHIPYARD | | 714-4329741PC7 | 81316 | PORTSMOUTH NAVAL SHIPYARD |
|
Techincal Specification:
| CENTER HOLE SHAPE STYLE | ROUND | | CORNER SHAPE | SQUARE ALL CORNERS | | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR | | DIAMETER | 0.5770 INCHES MINIMUM AND 0.5820 INCHES MAXIMUM | | OUTSIDE DIAMETER | 0.7920 INCHES MINIMUM AND 0.7970 INCHES MAXIMUM | | OVERALL THICKNESS | 0.1220 INCHES MINIMUM AND 0.1250 INCHES MAXIMUM | | MATERIAL | PLASTIC POLYAMIDE (NYLON) INSIDE DIAMETER SURFACE OF BODY | | STYLE DESIGNATOR | ROUND | | SURFACE FINISH | 32.0 MICROINCHES LEFT SIDE | | TEST DATA DOCUMENT | 96169-1990D SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.). |
|
|