3120-01-007-4925

Find complete technical information, availability, and procurement data for: 3120-01-007-4925
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Federal Supply Group

Bearings

Federal Supply Classification

3120 Unmounted Plain Bearings

National Stock Number

3120-01-007-4925

Item Name Code

13206

Assigment Date

08/05/1975 (51 years ago)

A tubular shaped unthreaded item with or without a flange at one end designed to be inserted into a hole to reduce the inside diameter of the hole and to protect the surrounding body structure from damage resulting from stress, strain, and/or vibration. The overall length must exceed 25 percent of the outside diameter or the shortest distance between peripheral flats of the body. Includes items which are divided into two or more segments which includes 180 degrees (3.141 radians) or less of the bearing periphery. For items made of rubber, see bushing, nonmetallic. See also bearing, sleeve; bushing, tapered; spacer, sleeve; insulator, bushing; and bushing, electrical conductor. Excludes:bushing, drill, jig.

0.5000 inches nominal first hole diameter, 0.8125 inches nominal flange width, 3.9920 inches minimum and 3.9950 inches maximum body inside diameter, 8.4375 inches nominal overall length, 4.7370 inches minimum and 4.7390 inches maximum flange outside diameter

Product Characteristics

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

Hole Diameter: 0.5000 inches nominal first
Overall Length: 8.4375 inches nominal
Body Inside Diameter: 3.9920 inches minimum and 3.9950 inches maximum
Flange Outside Diameter: 4.7370 inches minimum and 4.7390 inches maximum
Flange Width: 0.8125 inches nominal
Lubricant Accommodation Style: grooved circular
End To Flange Distance: 1.5000 inches nominal
Corner Shape: chamfered outside right corner
Corner Shape: chamfered inside left corner
Corner Shape: chamfered outside left corner
Corner Shape: square center flange left body corner
Corner Shape: square center flange outside left corner
Corner Shape: square center flange outside right corner
Corner Shape: square center flange right body corner
Corner Shape: square inside right corner
Surface Finish: 125.0 microinches outside diameter surface of body
Surface Finish: 125.0 microinches left end surface of flange
Surface Finish: 125.0 microinches right end surface of flange
Surface Finish: 16.0 microinches inside diameter surface of body
Surface Finish: 63.0 microinches outside diameter surface of flange
Antirotation/Lubrication Type And Quantity: 4 hole
Surface Groove Location And Quantity: 1 external
Left End Body Diameter: 4.3700 inches minimum and 4.3720 inches maximum
Right End Body Diameter: 4.3700 inches minimum and 4.3720 inches maximum
Special Features: left end body od 4.6250 in.
Material: steel comp 316l overall
Material Document And Classification: qq-s-763,cond a fed spec single material response overall
Style Designator: solid, external flange

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
501-4457338 ITEM 68	Sleeve Bushing
6501-14PC68	Sleeve Bushing

FAQs

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

What is the FSCG of the NSN 3120-01-007-4925?

The FSCG of the NSN 3120-01-007-4925 is 3120

Does the NSN 3120-01-007-4925 have a Schedule B code assigned?

Yes, the Schedule B code is 8482997060

Does NSN 3120-01-007-4925 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 3120-01-007-4925 contain precious materials?

Item does not contain precious metal.

Does NSN 3120-01-007-4925 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 3120-01-007-4925 was assigned to the Federal Catalog?

It was assigned 51 years ago, on Tue, Aug 5, 1975