55-30W

View detailed technical data, stock status, and sourcing information for: 55-30W
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Federal Supply Group

Electrical and Electronic Equipment Components

Federal Supply Classification

5977 Electrical Contact Brushes and Electrodes

National Stock Number

5977-00-159-2251

Item Name Code

02937

Assigment Date

06/02/1971 (55 years ago)

A gear, cylindrical or conical in form, with teeth on the outer surface used for the accurate transmission of motion.

0.688 inches nominal overall thickness, 1.688 inches nominal overall length, 0.812 inches nominal overall width, 1.062 inches nominal inside length, 0.500 inches nominal inside width

Product Characteristics

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

Overall Length: 1.688 inches nominal
Overall Width: 0.812 inches nominal
Inside Width: 0.500 inches nominal
Inside Length: 1.062 inches nominal
Overall Thickness: 0.688 inches nominal
Mounting Facility Quantity: 1
Brush Pressure Spring Type Accommodated: helical compression
Brush Spring Adjustability: nonadjustable
Brush Quantity Accommodated Per Holder: 1
Inside Thickness: 0.438 inches nominal
Mounting Facility: clamp
Material: copper alloy box
Style Designator: rectangle
Furnished Items And Quantity: 1 brush

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
55-30W	Electrical Contact Brush Holder

FAQs

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

What is the FSCG of the NSN 5977-00-159-2251?

The FSCG of the NSN 5977-00-159-2251 is 5977

Does the NSN 5977-00-159-2251 have a Schedule B code assigned?

Yes, the Schedule B code is 8545900000

Does NSN 5977-00-159-2251 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 5977-00-159-2251 contain precious materials?

Item does not contain precious metal.

Does NSN 5977-00-159-2251 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 5977-00-159-2251 was assigned to the Federal Catalog?

It was assigned 55 years ago, on Wed, Jun 2, 1971