NSN 3120-00-012-4242

Part Details | THRUST WASHER BEARING

3120-00-012-4242 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: S6135220471, S6135-22047-1, S613522047001, S6135-22047-001, 3120-00-012-4242, 00-012-4242, 3120000124242, 000124242

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
31JAN 01, 196300-012-424213211 ( BEARING, WASHER, THRUST )
REFERENCE DRAWINGS & PICTURES

SHOULDERED

ROUND

ROUND

Cross Reference | NSN 3120-00-012-4242
Part Number Cage Code Manufacturer
S6135-22047-178286SIKORSKY AIRCRAFT CORPORATIONDBA SIKORSKY
S6135-22047-00178286SIKORSKY AIRCRAFT CORPORATIONDBA SIKORSKY
Technical Data | NSN 3120-00-012-4242
Characteristic Specifications
STYLE DESIGNATOR ROUND
OUTSIDE DIAMETER3.3420 INCHES MINIMUM AND 3.3520 INCHES MAXIMUM
CROSS-SECTIONAL SHAPE STYLE SHOULDERED
FLANGE THICKNESS0.0610 INCHES MINIMUM AND 0.0630 INCHES MAXIMUM
OVERALL THICKNESS0.1550 INCHES MINIMUM AND 0.1570 INCHES MAXIMUM
SHANK OUTSIDE DIAMETER3.1260 INCHES MINIMUM AND 3.1280 INCHES MAXIMUM
CENTER HOLE SHAPE STYLE ROUND
DIAMETER3.0020 INCHES MINIMUM AND 3.0040 INCHES MAXIMUM
LUBRICATION MATERIAL LUBRICANT, MANUFACTURERS STANDARD