A18405-1

View detailed technical data, stock status, and sourcing information for: A18405-1
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Federal Supply Group

Electrical and Electronic Equipment Components

Federal Supply Classification

5977 Electrical Contact Brushes and Electrodes

National Stock Number

5977-00-977-5490

Item Name Code

02937

Assigment Date

01/01/1962 (64 years ago)

0.498 inches nominal inside width, 0.738 inches nominal overall width, spiral torsion brush pressure spring type accommodated, 0.997 inches nominal inside length, 2 mounting facility quantity

Product Characteristics

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

Overall Width: 0.738 inches nominal
Inside Width: 0.498 inches nominal
Inside Length: 0.997 inches nominal
Mounting Facility Quantity: 2
Brush Pressure Spring Type Accommodated: spiral torsion
Brush Spring Adjustability: nonadjustable
Brush Quantity Accommodated Per Holder: 2
Inside Thickness: 0.755 inches nominal
Mounting Facility: bolt and shaft
Material: copper alloy box
Style Designator: wing
Furnished Items And Quantity: 1 machine screw and 3 grounding screw

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
18A1PS1470	Electrical Contact Brush Holder
A18405-1	Electrical Contact Brush Holder

FAQs

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

What is the FSCG of the NSN 5977-00-977-5490?

The FSCG of the NSN 5977-00-977-5490 is 5977

Does the NSN 5977-00-977-5490 have a Schedule B code assigned?

Yes, the Schedule B code is 8545900000

Does NSN 5977-00-977-5490 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 5977-00-977-5490 contain precious materials?

Precious metal content is unknown

Does NSN 5977-00-977-5490 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 5977-00-977-5490 was assigned to the Federal Catalog?

It was assigned 64 years ago, on Mon, Jan 1, 1962