A7L157

View detailed technical data, stock status, and sourcing information for: A7L157
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Federal Supply Group

Electrical and Electronic Equipment Components

Federal Supply Classification

5977 Electrical Contact Brushes and Electrodes

National Stock Number

5977-00-506-1709

Item Name Code

00302

Assigment Date

01/01/1963 (63 years ago)

0.156 inches nominal slot depth, rectangular commutator body style, 8 shunt position designator, 0.156 inches nominal slot width, 0.922 inches nominal radius

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: 8
Body Style: rectangular commutator
Slot Depth: 0.156 inches nominal
Slot Width: 0.156 inches nominal
Radius: 0.922 inches nominal
Width: 1.125 inches nominal
Thickness: 0.312 inches nominal
Length: 0.781 inches nominal
Brush Shunt Length: 1.563 inches nominal all shunts
Terminal Hole Diameter: 0.144 inches nominal
Bevel Depth: 0.219 inches nominal
Bevel Length: 0.219 inches nominal
Contact Face Style: concave
Shunt Insulation Provision And Quantity: 2 uninsulated
Outer Edge To Slot Edge Distance: 0.484 inches nominal
Material: electrographitic
Material Document And Classification: stackpole carbon co,gr 430 mfr ref single material response
Style Designator: one piece
Terminal Type And Quantity: 1 tubular 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
A7L157	Electrical Contact Brush

FAQs

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

What is the FSCG of the NSN 5977-00-506-1709?

The FSCG of the NSN 5977-00-506-1709 is 5977

Does the NSN 5977-00-506-1709 have a Schedule B code assigned?

Yes, the Schedule B code is 8545200000

Does NSN 5977-00-506-1709 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 5977-00-506-1709 contain precious materials?

Precious metal content is unknown

Does NSN 5977-00-506-1709 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 5977-00-506-1709 was assigned to the Federal Catalog?

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