2640-352X3PC4

View detailed technical data, stock status, and sourcing information for: 2640-352X3PC4
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Federal Supply Group

Bearings

Federal Supply Classification

3120 Unmounted Plain Bearings

National Stock Number

3120-00-728-1378

Item Name Code

13211

Assigment Date

02/21/1968 (58 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.

round center hole shape style, rectangular cross-sectional shape style, 0.6250 inches minimum and 0.6290 inches maximum diameter, 0.0630 inches nominal overall thickness, 0.8690 inches minimum and 0.8740 inches maximum outside diameter

Product Characteristics

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

Cross-Sectional Shape Style: rectangular
Outside Diameter: 0.8690 inches minimum and 0.8740 inches maximum
Center Hole Shape Style: round
Diameter: 0.6250 inches minimum and 0.6290 inches maximum
Overall Thickness: 0.0630 inches nominal
Corner Shape: square all corners
Surface Finish: 63.0 microinches overall
Material: lubricant lubrication
Material: plastic polyamide (nylon) and graphite overall
Style Designator: round

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
2050876 PC 4	Thrust Washer Bearing
2640-352X3PC4	Thrust Washer Bearing
2640-683X3PC7	Thrust Washer Bearing
SS845-2050876	Thrust Washer Bearing

FAQs

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

What is the FSCG of the NSN 3120-00-728-1378?

The FSCG of the NSN 3120-00-728-1378 is 3120

Does the NSN 3120-00-728-1378 have a Schedule B code assigned?

Yes, the Schedule B code is 8482105008

Does NSN 3120-00-728-1378 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 3120-00-728-1378 contain precious materials?

Item does not contain precious metal.

Does NSN 3120-00-728-1378 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 3120-00-728-1378 was assigned to the Federal Catalog?

It was assigned 58 years ago, on Wed, Feb 21, 1968