Product Details | THRUST WASHER BEARING

3120-01-200-4989 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.

Part Alternates: 882275030731, 8822-750307-31, 3120-01-200-4989, 01-200-4989, 3120012004989, 012004989

Bearings | Bearings, Plain, Unmounted

Supply Group (FSG) NSN Assign. NIIN
31 05 FEB 1985 01-200-4989

Drawings & Photos | NSN 3120-01-200-4989


Cross Reference | NSN 3120-01-200-4989

Part Number Cage Code Manufacturer
8822-750307-31 04614 TEXTRON SYSTEMS CORPORATION DBA TEXTRON DEFENSE SYSTEMS
8822-750307-31 80070 LOCKHEED MARTIN CORPORATION DBA LOCKHEED MARTIN

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Technical Data | NSN 3120-01-200-4989

Characteristic Specifications
STYLE DESIGNATOR 23 ROUND
OUTSIDE DIAMETER 1.5000 INCHES NOMINAL
CORNER SHAPE SQUARE ALL CORNERS
CROSS-SECTIONAL SHAPE STYLE 35 RECTANGULAR
OVERALL THICKNESS 0.1250 INCHES NOMINAL
CENTER HOLE SHAPE STYLE 42 ROUND
DIAMETER 0.3770 INCHES NOMINAL

Restrictions/Controls & Freight Information | NSN 3120-01-200-4989

Category Code Description
Hazardous Material Indicator CodeNThere is no data in the HMIS and the NSN is in an FSC not generally suspected of containing hazardous materials
Demilitarization Code:ANon-Munitions List Item/ Non-Strategic List Item - Demilitarization not required.
Precious Metals Indicator Code:UPrecious metal type is unknown
Criticality Code:X The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.
Category Code Description
No Freight Information