NSN 3120-01-194-8538

Part Details | THRUST WASHER BEARING

3120-01-194-8538 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: 648D023H07, 715J757 PIECE 15, 648D023H07, 3120-01-194-8538, 01-194-8538, 3120011948538, 011948538

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
31NOV 19, 198401-194-853813211 ( BEARING, WASHER, THRUST )
REFERENCE DRAWINGS & PICTURES

RECTANGULAR

ROUND W/KEYWAY

ROUND

Cross Reference | NSN 3120-01-194-8538
Part Number Cage Code Manufacturer
648D023H0790099NORTHROP GRUMMAN SYSTEMS CORPORATIONDBA NORTHROP GRUMMAN MARINE SYSTEMS
715J757 PIECE 1579500WESTINGHOUSE ELECTRIC CORP
648D023H0779500WESTINGHOUSE ELECTRIC CORP
Technical Data | NSN 3120-01-194-8538
Characteristic Specifications
STYLE DESIGNATOR ROUND
OUTSIDE DIAMETER2.6875 INCHES NOMINAL
CROSS-SECTIONAL SHAPE STYLE RECTANGULAR
OVERALL THICKNESS0.5625 INCHES NOMINAL
CENTER HOLE SHAPE STYLE ROUND W/KEYWAY
DIAMETER2.6875 INCHES NOMINAL
CENTER HOLE KEYWAY DEPTH0.0910 INCHES MINIMUM AND 0.1010 INCHES MAXIMUM
CENTER HOLE KEYWAY WIDTH0.2490 INCHES MINIMUM AND 0.2510 INCHES MAXIMUM
CENTER HOLE KEYWAY QUANTITY1