A-189

View detailed technical data, stock status, and sourcing information for: A-189
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Federal Supply Group

Electrical and Electronic Equipment Components

Federal Supply Classification

5999 Miscellaneous Electrical and Electronic Components

National Stock Number

5999-00-445-8802

Item Name Code

00443

Assigment Date

01/01/1963 (63 years ago)

An antifriction bearing having a cylindrical rolling element and one spherical raceway which will adjust to varying degrees of shaft and/or support misalignment without damage to the raceways and permits the full rating of the bearing to be utilized.

1.875 inches nominal overall length, 0.375 inches nominal point diameter, 0.156 inches minimum and 0.406 inches maximum unthreaded mounting hole diameter, 0.406 inches nominal overall width, 0.188 inches nominal overall height

Product Characteristics

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

Point Diameter: 0.375 inches nominal
Overall Length: 1.875 inches nominal
Overall Height: 0.188 inches nominal
Overall Width: 0.406 inches nominal
Unthreaded Mounting Hole Diameter: 0.156 inches minimum and 0.406 inches maximum
Mounting Facility Quantity: 1
Point Height: 0.063 inches nominal
Mounting Method: unthreaded hole
Material: copper alloy body and contact
Precious Material And Location: body and contact surfaces gold
Precious Material And Weight: 0.005 gold grains, troy
Precious Material: gold
Surface Treatment: gold body and contact
Style Designator: flat leaf contact w/ round flatted fixed point
Terminal Type And Quantity: 1 wire lead w/lug axially at 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
881-LX	Electrical Contact
A-189	Electrical Contact
BP4696	Electrical Contact
S555D021G05	Electrical Contact

FAQs

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

What is the FSCG of the NSN 5999-00-445-8802?

The FSCG of the NSN 5999-00-445-8802 is 5999

Does the NSN 5999-00-445-8802 have a Schedule B code assigned?

Yes, the Schedule B code is 8538907040

Does NSN 5999-00-445-8802 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 5999-00-445-8802 contain precious materials?

Item contains gold.

Does NSN 5999-00-445-8802 contain hazardous materials?

Indicates there is no information in the hmirs. The nsn is in a fsc in table ii of fed std 313 and a msds may be required by the user. The requirement for a msds is dependent on a hazard determination of the supplier or the intended end use of item.

When the NSN 5999-00-445-8802 was assigned to the Federal Catalog?

It was assigned 63 years ago, on Tue, Jan 1, 1963