228931 PIECE 13

View detailed technical data, stock status, and sourcing information for: 228931 PIECE 13
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Federal Supply Group

Bearings

Federal Supply Classification

3120 Unmounted Plain Bearings

National Stock Number

3120-01-307-7933

Item Name Code

13205

Assigment Date

09/16/1989 (36 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.

3.7500 inches nominal flange outside diameter, 2.0450 inches minimum and 2.0490 inches maximum overall length, 1.3730 inches minimum and 1.3750 inches maximum body inside diameter, 0.2500 inches nominal flange width, 0.3438 inches nominal first hole 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: 0.3438 inches nominal first
Overall Length: 2.0450 inches minimum and 2.0490 inches maximum
Body Inside Diameter: 1.3730 inches minimum and 1.3750 inches maximum
Flange Outside Diameter: 3.7500 inches nominal
Flange Width: 0.2500 inches nominal
End To Flange Distance: 0.6095 inches nominal
Corner Shape: round center flange left body corner
Corner Shape: round center flange right body corner
Corner Shape: square center flange outside left corner
Corner Shape: square center flange outside right corner
Corner Shape: square outside left corner
Corner Shape: square inside left corner
Corner Shape: square inside right corner
Corner Shape: square outside right corner
Antirotation/Lubrication Type And Quantity: 4 hole
Left End Body Diameter: 1.6250 inches nominal
Right End Body Diameter: 1.6250 inches nominal
Material: steel comp 1211 or steel comp 1212 overall
Material Document And Classification: astm a108 assn std all material responses overall
Surface Treatment: zinc overall
Surface Treatment Document And Classification: astm b633 assn std single treatment 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
228931 PIECE 13	Sleeve Bearing
T-5994510 PIECE 13	Sleeve Bearing
V-6906143	Sleeve Bearing

FAQs

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

What is the FSCG of the NSN 3120-01-307-7933?

The FSCG of the NSN 3120-01-307-7933 is 3120

Does the NSN 3120-01-307-7933 have a Schedule B code assigned?

Yes, the Schedule B code is 8482997090

Does NSN 3120-01-307-7933 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 3120-01-307-7933 contain precious materials?

Item does not contain precious metal.

Does NSN 3120-01-307-7933 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 3120-01-307-7933 was assigned to the Federal Catalog?

It was assigned 36 years ago, on Sat, Sep 16, 1989