SP51221

View detailed technical data, stock status, and sourcing information for: SP51221
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Federal Supply Group

Electrical and Electronic Equipment Components

Federal Supply Classification

5977 Electrical Contact Brushes and Electrodes

National Stock Number

5977-00-787-4419

Item Name Code

00302

Assigment Date

01/01/1962 (64 years ago)

0.500 inches nominal length, 1.000 inches nominal thickness, rectangular commutator body style, 1.250 inches nominal width, 4 shunt position designator

Product Characteristics

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

Shunt Position Designator: 4
Body Style: rectangular commutator
Width: 1.250 inches nominal
Thickness: 1.000 inches nominal
Length: 0.500 inches nominal
Brush Shunt Length: 3.250 inches nominal single shunt
Terminal Hole Diameter: 0.281 inches nominal
Top Style: beveled front
Contact Face Style: flat
Shunt Insulation Provision And Quantity: 1 insulated
Angle: 20.0 degrees nominal
Special Features: toe located 0.250 in. from front of brush,insulation banded both ends
Material: electrographitic
Material Document And Classification: stackpole carbon co,grade 417 mfr ref single material response
Style Designator: one piece
Terminal Type And Quantity: 1 straight w/hole

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
M-SP51221	Electrical Contact Brush
SP51221	Electrical Contact Brush
STLGRADE417	Electrical Contact Brush

FAQs

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

What is the FSCG of the NSN 5977-00-787-4419?

The FSCG of the NSN 5977-00-787-4419 is 5977

Does the NSN 5977-00-787-4419 have a Schedule B code assigned?

Yes, the Schedule B code is 8545200000

Does NSN 5977-00-787-4419 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 5977-00-787-4419 contain precious materials?

Item does not contain precious metal.

Does NSN 5977-00-787-4419 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 5977-00-787-4419 was assigned to the Federal Catalog?

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