1888400

View detailed technical data, stock status, and sourcing information for: 1888400
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Federal Supply Group

Electrical and Electronic Equipment Components

Federal Supply Classification

5977 Electrical Contact Brushes and Electrodes

National Stock Number

5977-00-423-4977

Item Name Code

02474

Assigment Date

01/01/1963 (63 years ago)

2.500 inches nominal overall depth, 3.688 inches nominal overall width, copper alloy material, six 10-32 tapped mtg holes on a 2-27/32 in. and 3-5/32 in. dia bolt circle; three holes on each circle 120 deg apart with the hole on different circle in line with each other and six 3/8 in. dia clearance holes,3 on each circle 120 deg apart mounting configuration, 3.875 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 Depth: 2.500 inches nominal
Overall Length: 3.875 inches nominal
Overall Width: 3.688 inches nominal
Mounting Configuration: six 10-32 tapped mtg holes on a 2-27/32 in. and 3-5/32 in. dia bolt circle; three holes on each circle 120 deg apart with the hole on different circle in line with each other and six 3/8 in. dia clearance holes,3 on each circle 120 deg apart
Material: copper alloy
Shape: cylindrical

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
2920-00-695-0271	No Name Available	11/11/1968

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
1861782	Electrical Contact Ring
1888400	Electrical Contact Ring

FAQs

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

What is the FSCG of the NSN 5977-00-423-4977?

The FSCG of the NSN 5977-00-423-4977 is 5977

Does the NSN 5977-00-423-4977 have a Schedule B code assigned?

Yes, the Schedule B code is 8545900000

Does NSN 5977-00-423-4977 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 5977-00-423-4977 contain precious materials?

Precious metal content is unknown

Does NSN 5977-00-423-4977 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 5977-00-423-4977 was assigned to the Federal Catalog?

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