NSN 3120-00-242-3556

Part Details | THRUST WASHER BEARING

3120-00-242-3556 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: 6243747001, 624-3747-001, 3120-00-242-3556, 00-242-3556, 3120002423556, 002423556

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
31JUN 09, 197300-242-355613211 ( BEARING, WASHER, THRUST )
REFERENCE DRAWINGS & PICTURES

RECTANGULAR

ROUND

ROUND

Cross Reference | NSN 3120-00-242-3556
Part Number Cage Code Manufacturer
624-3747-00113499ROCKWELL COLLINS, INC.DBA GOVERNMENT SYSTEMS
Technical Data | NSN 3120-00-242-3556
Characteristic Specifications
STYLE DESIGNATOR ROUND
OUTSIDE DIAMETER4.5020 INCHES MINIMUM AND 4.5040 INCHES MAXIMUM
CROSS-SECTIONAL SHAPE STYLE RECTANGULAR
OVERALL THICKNESS0.5220 INCHES MINIMUM AND 0.5420 INCHES MAXIMUM
CENTER HOLE SHAPE STYLE ROUND
DIAMETER4.0060 INCHES MINIMUM AND 4.0080 INCHES MAXIMUM
LUBRICATION MATERIAL LUBRICATING OIL, MIL-L-11773