NSN 3120-00-769-7428

Part Details | THRUST WASHER BEARING

3120-00-769-7428 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: 640409, 640409, 3120-00-769-7428, 00-769-7428, 3120007697428, 007697428

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
31JAN 01, 196200-769-742813211 ( BEARING, WASHER, THRUST )
REFERENCE DRAWINGS & PICTURES

RECTANGULAR

ROUND W/ROUND KEYWAY

ROUND W/FLAT

Cross Reference | NSN 3120-00-769-7428
Part Number Cage Code Manufacturer
64040934623AM GENERAL LLC
64040992871AMERICAN MOTORS SALES CORP
Technical Data | NSN 3120-00-769-7428
Characteristic Specifications
STYLE DESIGNATOR ROUND W/FLAT
WIDTH2.5625 INCHES NOMINAL
OUTSIDE DIAMETER2.6250 INCHES NOMINAL
CROSS-SECTIONAL SHAPE STYLE RECTANGULAR
OVERALL THICKNESS0.0615 INCHES MINIMUM AND 0.0635 INCHES MAXIMUM
CENTER HOLE SHAPE STYLE ROUND W/ROUND KEYWAY
DIAMETER0.7656 INCHES NOMINAL
CENTER HOLE KEYWAY DEPTH0.2188 INCHES NOMINAL
CENTER HOLE KEYWAY RADIUS0.5312 INCHES NOMINAL
CENTER HOLE KEYWAY QUANTITY1
SURFACE CONDITION GROUND
SPECIAL FEATURESPERIPHERAL FLAT TO HAVE ONE PREBENT KEY