3120-00-550-1668 Thrust Washer Bearing

Comprehensive specifications and application details for NSN: 3120-00-550-1668.

Summary

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Federal Supply Classification: 3120 Unmounted Plain Bearings
(NSN) National Stock Number: 3120-00-550-1668
Item Name Code: 13211
Federal Item Identification Guide: A045A0
Assigment Date: 01/01/1963

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.

0.0820 inches nominal center hole keyway depth, 2 center hole keyway quantity, square all corners corner shape, 0.1200 inches minimum and 0.1400 inches maximum center hole keyway width, round w/keyway center hole shape style

Datasheet

Below are the comprehensive technical specifications for bearing: 3120-00-550-1668 . Find dimensions, materials, tolerances, performance characteristics, etc.

Center Hole Keyway Depth: 0.0820 inches nominal
Center Hole Keyway Quantity: 2
Center Hole Keyway Width: 0.1200 inches minimum and 0.1400 inches maximum
Center Hole Shape Style: round w/keyway
Corner Shape: square all corners
Cross-Sectional Shape Style: rectangular
Diameter: 0.5005 inches minimum and 0.5015 inches maximum
Outside Diameter: 1.3100 inches nominal
Overall Thickness: 0.1870 inches minimum and 0.1900 inches maximum
Material: steel overall
Special Features: bearing surfaces parallel within 0.0002 in. and flat within two light bands
Style Designator: round
Surface Condition: lapped

Related Bearings

Explore the various bearing models associated with this NSN. Click on any bearing below to view detailed technical data, performance ratings, and application guidelines.

Part Number	Name
60-05118	Thrust Washer Bearing

Frequently Asked Questions

Find quick answers to common questions about bearing: 3120-00-550-1668. Explore technical specifications, installation tips, maintenance guidelines, regulatory requirements, and troubleshooting advice.

What is the FSCG of the NSN 3120-00-550-1668?: The FSCG of the NSN 3120-00-550-1668 is 3120

Does the NSN 3120-00-550-1668 have a Schedule B code assigned?: Yes, the Schedule B code is 8482105008

Does NSN 3120-00-550-1668 require demilitarization?: Items subject to the export administration regulations (ear) in parts 730-774 of title 15, code of federal regulations (cfr) (ccli or ear99) and determined by dod to present a low risk when released out of dod control. No demil, mut, or end use certificate is required. May require an export licensefrom doc.

Does NSN 3120-00-550-1668 contain precious materials?: Item does not contain precious metal.

Does NSN 3120-00-550-1668 contain hazardous materials?: Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.