3120-00-754-4693

Find complete technical information, availability, and procurement data for: 3120-00-754-4693
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Federal Supply Group

Bearings

Federal Supply Classification

3120 Unmounted Plain Bearings

National Stock Number

3120-00-754-4693

Item Name Code

13205

Assigment Date

01/01/1961 (65 years ago)

A metallic item consisting of two mating halves. It may include inner and outer ring(s), inner and outer band(s), vane(s), and the like. It is designed to provide accurate control of the steam flow.

125.0 microinches left end surface of body surface finish, 4.5000 inches minimum and 4.5010 inches maximum body inside diameter, 2.2500 inches minimum and 4.0630 inches maximum body outside diameter, square all corners corner shape, 2.2500 inches nominal overall length

Product Characteristics

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

Overall Length: 2.2500 inches nominal
Body Outside Diameter: 2.2500 inches minimum and 4.0630 inches maximum
Body Inside Diameter: 4.5000 inches minimum and 4.5010 inches maximum
Corner Shape: square all corners
Surface Finish: 125.0 microinches left end surface of body
Surface Finish: 32.0 microinches inside diameter surface of body
Surface Finish: 32.0 microinches right end surface of body
Surface Finish: 63.0 microinches outside diameter surface of body
Material: oil lubricating lubrication
Material: steel outer layer
Material: tin alloy uns l13890 inner layer
Material Document And Classification: mil-s-890,cl bs mil spec single material response outer layer
Material Document And Classification: qq-t-390 fed spec single material response inner layer
Style Designator: segmented, plain, no outside flanges

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
668J972A01	Sleeve Bearing
668J972PC01	Sleeve Bearing

FAQs

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

What is the FSCG of the NSN 3120-00-754-4693?

The FSCG of the NSN 3120-00-754-4693 is 3120

Does the NSN 3120-00-754-4693 have a Schedule B code assigned?

Yes, the Schedule B code is 8482997090

Does NSN 3120-00-754-4693 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 3120-00-754-4693 contain precious materials?

Item does not contain precious metal.

Does NSN 3120-00-754-4693 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 3120-00-754-4693 was assigned to the Federal Catalog?

It was assigned 65 years ago, on Sun, Jan 1, 1961