KSSB20-75

View detailed technical data, stock status, and sourcing information for: KSSB20-75
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Federal Supply Group

Bearings

Federal Supply Classification

3120 Unmounted Plain Bearings

National Stock Number

3120-01-346-5640

Item Name Code

13208

Assigment Date

10/08/1991 (34 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 outer member of the assembly is modified to provide a shank. The inner member may be either a plain spherical bearing or a sleeve bearing. Excludes:bearing, plain, spherical and bearing, plain, self-aligning.

2.3795 inches minimum and 2.3800 inches maximum outer member outside diameter, 1.4950 inches minimum and 1.5000 inches maximum inner member width, 1.3750 inches minimum and 1.3850 inches maximum outer member width, groove outer race member lubrication feature, 1.2500 inches minimum and 1.2505 inches maximum bore diameter

Product Characteristics

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

Bore Diameter: 1.2500 inches minimum and 1.2505 inches maximum
Outer Member Outside Diameter: 2.3795 inches minimum and 2.3800 inches maximum
Outer Member Width: 1.3750 inches minimum and 1.3850 inches maximum
Inner Member Width: 1.4950 inches minimum and 1.5000 inches maximum
Lubrication Feature: groove outer race member
Special Features: bearing has oversized outside diameter for repair; refer t.o. c-5a-10 fig: 4-5 ind: 21; used on the c5 aircraft
Material: nickel alloy 41 overall
Material Document And Classification: ams 5712 assn std single material response overall
Surface Treatment: lubricant dry film inside diameter surface of race insert
Style Designator: without insert or liner with staking groove

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
4P94253-103A	Self-Aligning Plain Bearing
BAR-20511	Self-Aligning Plain Bearing
BDS20E-101	Self-Aligning Plain Bearing
KSSB20-75	Self-Aligning Plain Bearing

FAQs

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

What is the FSCG of the NSN 3120-01-346-5640?

The FSCG of the NSN 3120-01-346-5640 is 3120

Does the NSN 3120-01-346-5640 have a Schedule B code assigned?

Yes, the Schedule B code is 8482300040

Does NSN 3120-01-346-5640 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 3120-01-346-5640 contain precious materials?

Item does not contain precious metal.

Does NSN 3120-01-346-5640 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 3120-01-346-5640 was assigned to the Federal Catalog?

It was assigned 34 years ago, on Tue, Oct 8, 1991