3120-00-640-8021

Find complete technical information, availability, and procurement data for: 3120-00-640-8021
DODParts.com distributes related products varnishes dopes paints, aircraft parts and consumables, electrical parts, fittings and other components for the aerospace and defense industries. Submit the short price quote form for NSN 3120-00-640-8021 to receive an up to date pricing and availability quote by email.

Federal Supply Group

Bearings

Federal Supply Classification

3120 Unmounted Plain Bearings

National Stock Number

3120-00-640-8021

Item Name Code

13205

Assigment Date

01/01/1961 (65 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.

chamfered inside left corner corner shape, chamfered inside right corner corner shape, 0.1030 inches minimum and 0.1060 inches maximum overall length, 0.1250 inches minimum and 0.1265 inches maximum body inside diameter, 0.2480 inches minimum and 0.2500 inches maximum body outside diameter

Product Characteristics

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

Overall Length: 0.1030 inches minimum and 0.1060 inches maximum
Body Outside Diameter: 0.2480 inches minimum and 0.2500 inches maximum
Body Inside Diameter: 0.1250 inches minimum and 0.1265 inches maximum
Corner Shape: chamfered inside left corner
Corner Shape: chamfered inside right corner
Corner Shape: square outside left corner
Corner Shape: square outside right corner
Hardness Rating: 50.0 rockwell c minimum and 60.0 rockwell c maximum overall
Material: steel overall
Material Document And Classification: qq-s-00629 fed spec single material response overall
Style Designator: solid, 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
300787	Sleeve Bearing

FAQs

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

What is the FSCG of the NSN 3120-00-640-8021?

The FSCG of the NSN 3120-00-640-8021 is 3120

Does the NSN 3120-00-640-8021 have a Schedule B code assigned?

Yes, the Schedule B code is 8482997090

Does NSN 3120-00-640-8021 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 3120-00-640-8021 contain precious materials?

Precious metal content is unknown

Does NSN 3120-00-640-8021 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 3120-00-640-8021 was assigned to the Federal Catalog?

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