NSN 3120-00-774-6559

Part Details | THRUST WASHER BEARING

3120-00-774-6559 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: 11605743, 3120-00-774-6559, 00-774-6559, 3120007746559, 007746559

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
31MAR 13, 196800-774-655913211 ( BEARING, WASHER, THRUST )
REFERENCE DRAWINGS & PICTURES

RECTANGULAR

ROUND

ROUND W/ROUND KEYS

Cross Reference | NSN 3120-00-774-6559
Part Number Cage Code Manufacturer
1160574319207U S ARMY TANK AUTOMOTIVE COMMANDAMSTA-IM-MM
Technical Data | NSN 3120-00-774-6559
Characteristic Specifications
STYLE DESIGNATOR ROUND W/ROUND KEYS
KEY LENGTH0.1600 INCHES NOMINAL
OUTSIDE DIAMETER1.5600 INCHES NOMINAL
KEY RADIUS0.1600 INCHES NOMINAL
KEY QUANTITY4
CROSS-SECTIONAL SHAPE STYLE RECTANGULAR
OVERALL THICKNESS0.0600 INCHES NOMINAL
CENTER HOLE SHAPE STYLE ROUND
DIAMETER1.0400 INCHES NOMINAL
END ITEM IDENTIFICATIONM551A1 FULL TRACK