NSN 3120-01-044-6637

Part Details | THRUST WASHER BEARING

3120-01-044-6637 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: ASC1101651, REB102158, RE-B102158, B102158, REB102158, RE-B102158, 3120-01-044-6637, 01-044-6637, 3120010446637, 010446637

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
31JUL 18, 197701-044-663713211 ( BEARING, WASHER, THRUST )
REFERENCE DRAWINGS & PICTURES

SHOULDERED

ROUND

ROUND

Cross Reference | NSN 3120-01-044-6637
Part Number Cage Code Manufacturer
ASC1101651Z4779ASC PTY LTD
RE-B10215813030LOCKHEED MARTIN SIPPICAN, INC.DIV COMMUNICATION DIVISION
B10215813030LOCKHEED MARTIN SIPPICAN, INC.DIV COMMUNICATION DIVISION
RE-B10215853711NAVAL SEA SYSTEMS COMMAND
Technical Data | NSN 3120-01-044-6637
Characteristic Specifications
STYLE DESIGNATOR ROUND
OUTSIDE DIAMETER2.8594 INCHES MINIMUM AND 2.8906 INCHES MAXIMUM
CROSS-SECTIONAL SHAPE STYLE SHOULDERED
OVERALL THICKNESS0.4531 INCHES MINIMUM AND 0.4844 INCHES MAXIMUM
CENTER HOLE SHAPE STYLE ROUND
DIAMETER2.0030 INCHES MINIMUM AND 2.0040 INCHES MAXIMUM