NSN 3120-01-338-6964

Part Details | THRUST WASHER BEARING

3120-01-338-6964 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: 5495481, 5495481, 3120-01-338-6964, 01-338-6964, 3120013386964, 013386964

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
31MAY 09, 199101-338-696413211 ( BEARING, WASHER, THRUST )
REFERENCE DRAWINGS & PICTURES

SHOULDERED

ROUND

Cross Reference | NSN 3120-01-338-6964
Part Number Cage Code Manufacturer
549548153711NAVAL SEA SYSTEMS COMMAND
549548115090RAYTHEON COMPANYDBA RAYTHEON
Technical Data | NSN 3120-01-338-6964
Characteristic Specifications
STYLE DESIGNATOR ROUND
OUTSIDE DIAMETER20.00 MILLIMETERS NOMINAL
CROSS-SECTIONAL SHAPE STYLE SHOULDERED
FLANGE THICKNESS5.00 MILLIMETERS NOMINAL
OVERALL THICKNESS12.00 MILLIMETERS NOMINAL
SHANK OUTSIDE DIAMETER13.00 MILLIMETERS NOMINAL
DIAMETER5.00 MILLIMETERS NOMINAL
SPECIAL FEATURESINSIDE DIA COUNTERBORED TO 14.0 MM