NSN 3120-00-661-3003

Part Details | THRUST WASHER BEARING

3120-00-661-3003 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.

Alternate Parts: 2JB9091, 2JB909-1, 2JB9091, 2JB909-1, 3120-00-661-3003, 00-661-3003, 3120006613003, 006613003

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
31JAN 01, 196300-661-300313211 ( BEARING, WASHER, THRUST )
REFERENCE DRAWINGS & PICTURES

COUNTERBORED

ROUND W/KEY

ROUND

Cross Reference | NSN 3120-00-661-3003
Part Number Cage Code Manufacturer
2JB909-179500WESTINGHOUSE ELECTRIC CORP
2JB909-111660WESTINGHOUSE ELECTRIC CORPCONTROL BUSINESS UNIT
Technical Data | NSN 3120-00-661-3003
Characteristic Specifications
STYLE DESIGNATOR ROUND
OUTSIDE DIAMETER4.3125 INCHES NOMINAL
CROSS-SECTIONAL SHAPE STYLE COUNTERBORED
COUNTERBORE DIAMETER3.5050 INCHES NOMINAL
COUNTERBORE DEPTH0.1250 INCHES NOMINAL
OVERALL THICKNESS0.6250 INCHES NOMINAL
CENTER HOLE SHAPE STYLE ROUND W/KEY
DIAMETER2.4970 INCHES NOMINAL
CENTER HOLE KEY WIDTH0.1880 INCHES NOMINAL
CENTER HOLE KEY LENGTH0.1562 INCHES NOMINAL
CENTER HOLE KEY BOTTOM RADIUS0.0156 INCHES NOMINAL
CENTER HOLE KEY QUANTITY1
SURFACE CONDITION GROUND