NSN 3120-01-144-6304

Part Details | THRUST WASHER BEARING

3120-01-144-6304 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: 877760103 ITEM 20, 87776-0103 ITEM 20, 2014684478 ITEM 20, 201-4684478 ITEM 20, 3120-01-144-6304, 01-144-6304, 3120011446304, 011446304

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
31DEC 27, 198201-144-630413211 ( BEARING, WASHER, THRUST )
REFERENCE DRAWINGS & PICTURES

RECTANGULAR

ROUND

ROUND

Cross Reference | NSN 3120-01-144-6304
Part Number Cage Code Manufacturer
87776-0103 ITEM 2096169ELECTRIC BOAT CORPORATION
201-4684478 ITEM 2080064NAVAL SHIP SYSTEMS COMMAND
Technical Data | NSN 3120-01-144-6304
Characteristic Specifications
STYLE DESIGNATOR ROUND
OUTSIDE DIAMETER10.2450 INCHES NOMINAL
CROSS-SECTIONAL SHAPE STYLE RECTANGULAR
OVERALL THICKNESS0.3750 INCHES NOMINAL
CENTER HOLE SHAPE STYLE ROUND
DIAMETER6.7500 INCHES NOMINAL
SPECIAL FEATURESSIX GROOVES EQUALLY SPACED ON EACH SIDE; TWELVE INTERSECTING GROOVES ON THE OD SURFACE