NSN 3120-01-376-0884

Part Details | THRUST WASHER BEARING

3120-01-376-0884 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: 264393055FNA3, 2643-930-55FNA3, 8016641184FNA3, 801-6641184FNA3, 3120-01-376-0884, 01-376-0884, 3120013760884, 013760884

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
31MAY 27, 199301-376-088413211 ( BEARING, WASHER, THRUST )
REFERENCE DRAWINGS & PICTURES

SHOULDERED

ROUND

ROUND

Cross Reference | NSN 3120-01-376-0884
Part Number Cage Code Manufacturer
2643-930-55FNA396169ELECTRIC BOAT CORPORATION
801-6641184FNA353711NAVAL SEA SYSTEMS COMMAND
Technical Data | NSN 3120-01-376-0884
Characteristic Specifications
STYLE DESIGNATOR ROUND
OUTSIDE DIAMETER1.9970 INCHES MINIMUM AND 1.9990 INCHES MAXIMUM
CROSS-SECTIONAL SHAPE STYLE SHOULDERED
OVERALL THICKNESS0.5500 INCHES MINIMUM AND 0.5620 INCHES MAXIMUM
CENTER HOLE SHAPE STYLE ROUND
DIAMETER1.3750 INCHES MINIMUM AND 1.3770 INCHES MAXIMUM