77643-69X3 PIECE 18

View detailed technical data, stock status, and sourcing information for: 77643-69X3 PIECE 18
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Federal Supply Group

Bearings

Federal Supply Classification

3120 Unmounted Plain Bearings

National Stock Number

3120-01-208-2012

Item Name Code

13205

Assigment Date

05/10/1985 (41 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.

1.6244 inches minimum and 1.6250 inches maximum body outside diameter, 0.1250 inches nominal flange width, 1.3750 inches minimum and 1.3770 inches maximum body inside diameter, 2.0000 inches nominal flange outside diameter, 0.7969 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: 0.7969 inches nominal
Body Outside Diameter: 1.6244 inches minimum and 1.6250 inches maximum
Body Inside Diameter: 1.3750 inches minimum and 1.3770 inches maximum
Flange Outside Diameter: 2.0000 inches nominal
Flange Width: 0.1250 inches nominal
Lubricant Accommodation Style: grooved circular
Corner Shape: square all corners
Surface Finish: 32.0 microinches inside diameter surface of body
Surface Finish: 63.0 microinches outside diameter surface of body
Surface Groove Location And Quantity: 1 internal
Material: copper alloy overall
Material Document And Classification: bearium b-8,fscm 85373 mfr ref single material response overall
Style Designator: solid, external flange one end

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
501-2143862 PIECE 18	Sleeve Bearing
77643-69X3 PIECE 18	Sleeve Bearing
SSN637-501-2143862 PIECE 18	Sleeve Bearing

FAQs

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

What is the FSCG of the NSN 3120-01-208-2012?

The FSCG of the NSN 3120-01-208-2012 is 3120

Does the NSN 3120-01-208-2012 have a Schedule B code assigned?

Yes, the Schedule B code is 8482997090

Does NSN 3120-01-208-2012 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 3120-01-208-2012 contain precious materials?

Item does not contain precious metal.

Does NSN 3120-01-208-2012 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 3120-01-208-2012 was assigned to the Federal Catalog?

It was assigned 41 years ago, on Fri, May 10, 1985