NSN 3120-00-488-3917

Part Details | THRUST WASHER BEARING

3120-00-488-3917 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: 2640808X1PC1, 2640-808X1PC1, 3120-00-488-3917, 00-488-3917, 3120004883917, 004883917

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
31AUG 23, 200200-488-391713211 ( BEARING, WASHER, THRUST )
REFERENCE DRAWINGS & PICTURES

ROUND

Cross Reference | NSN 3120-00-488-3917
Part Number Cage Code Manufacturer
2640-808X1PC196169ELECTRIC BOAT CORPORATION
Technical Data | NSN 3120-00-488-3917
Characteristic Specifications
STYLE DESIGNATOR ROUND
OUTSIDE DIAMETER0.9210 INCHES MINIMUM AND 0.9310 INCHES MAXIMUM
OVERALL THICKNESS0.0580 INCHES MINIMUM AND 0.0680 INCHES MAXIMUM
DIAMETER0.6250 INCHES MINIMUM AND 0.6350 INCHES MAXIMUM