KSSB20-18

View detailed technical data, stock status, and sourcing information for: KSSB20-18
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Federal Supply Group

Bearings

Federal Supply Classification

3120 Unmounted Plain Bearings

National Stock Number

3120-00-121-9450

Item Name Code

13208

Assigment Date

10/25/1968 (57 years ago)

A detachable assembly in or on which a journal, gudgeon, pivot, or the like moves. It is used to carry a load and to reduce sliding friction. It does not employ rolling elements. The item consists of a bored precision ground ball (or spherical plain bearing) around which an outer ring is fitted. The assembly may be either separable or nonseparable. Excludes:bearing, plain, rod end and bearing, plain, spherical.

grease lubrication material, groove external outer member lubrication feature, groove internal outer member lubrication feature, steel comp 4130 outer race member material, 95000 pounds static radial load rating

Product Characteristics

Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.

Static Radial Load Rating: 95000 pounds
Lubrication Feature: groove external outer member
Lubrication Feature: groove internal outer member
Material: grease lubrication
Material: steel comp 4130 outer race member
Material: steel comp e52100 inner member
Material Document And Classification: mil-g-23827 mil spec single material response lubrication
Surface Treatment: cadmium and chromate outer race member
Surface Treatment: chromium inner member

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
3120-00-307-2012	No Name Available	06/01/2007

Related Parts

This NSN group includes multiple components designed to meet specific performance and operational standards. Each listing provides detailed specs, functionality data, and replacement compatibility information:

Part Number	Name
KSSB20-18	Self-Aligning Plain Bearing

FAQs

Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.

What is the FSCG of the NSN 3120-00-121-9450?

The FSCG of the NSN 3120-00-121-9450 is 3120

Does the NSN 3120-00-121-9450 have a Schedule B code assigned?

Yes, the Schedule B code is 8482300040

Does NSN 3120-00-121-9450 require demilitarization?

"commerce control list items (ccli) - mut to the point of scrap required outside the united states. Inside the united states, mut is required when the demil integrity code (ic) is "3" and mut is not required when the demic is "6" (note 8)"

Does NSN 3120-00-121-9450 contain precious materials?

Precious metal content is unknown

Does NSN 3120-00-121-9450 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.

When the NSN 3120-00-121-9450 was assigned to the Federal Catalog?

It was assigned 57 years ago, on Fri, Oct 25, 1968