MB19399
View detailed technical data, stock status, and sourcing information for: MB19399
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An item specifically designed to be used in the transfer of electrical energy to or from another conducting surface. Either the brush or the surface is continually moving during the transfer of energy. The brush is usually composed in part of some form of the element carbon. Includes: (1) a single brush either with or without an attached shunt (flexible wire lead) and/or a helical or flat type pressure spring; (2) a split brush composed of two or more pieces (wafers), which are used in place of one brush usually connected together by individual shunts to a common terminal; (3) paired brushes composed of two identical or non-identical brushes connected together by a common shunt either with or without pressure springs or connected by individual shunts to a common terminal, or with pressure springs and connected to a common bar, bracket or the like either with or without individual shunts; (4) multiple brushes composed of more than two identical or non-identical brushes without pressure springs connected by individual shunts to a common terminal, or with pressure springs and connected to a common bar, bracket or the like by individual shunts. Does not include moving contacts which make and slide past stationary contacts, but are stationary while the circuit is conducting, such as the sliding contacts on a rheostat or the stationary contact on a synchro. Excludes: contact, electrical; and contact assembly, electrical.
rectangular commutator body style, 2.250 inches nominal length, 2 and 8 shunt position designator, 1.500 inches nominal width, 0.375 inches nominal thickness
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
- 2 and 8
- Body Style
- rectangular commutator
- Width
- 1.500 inches nominal
- Thickness
- 0.375 inches nominal
- Length
- 2.250 inches nominal
- Extension Length
- 0.593 inches nominal
- Brush Shunt Length
- 4.000 inches nominal single shunt
- Terminal Slot Width
- 0.281 inches nominal
- Top Style
- beveled front
- Contact Face Style
- beveled
- Bevel Angle
- 20.0 degrees nominal
- Clip Type
- nema hammer type extended a
- Shunt Insulation Provision And Quantity
- 2 uninsulated
- Angle
- 30.0 degrees nominal
- Material
- electrographitic
- Material Document And Classification
- national grade sa3538 mfr ref single material response
- Style Designator
- one piece
- Terminal Type And Quantity
- 1 straight w/slot
Replaces National Stock Numbers
Below is a list of NSNs that have been officially superseded by this NSN:
| NSN | Name | Date |
|---|---|---|
| 5977-00-049-8083 | No Name Available | 01/01/1963 |
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 |
|---|---|
| 61005454 | Electrical Contact Brush |
| 8790303ABP9 | Electrical Contact Brush |
| MB19399 | Electrical Contact Brush |
FAQs
Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.
What is the FSCG of the NSN 5977-00-239-4168?
Does the NSN 5977-00-239-4168 have a Schedule B code assigned?
Does NSN 5977-00-239-4168 require demilitarization?
Does NSN 5977-00-239-4168 contain precious materials?
Does NSN 5977-00-239-4168 contain hazardous materials?
When the NSN 5977-00-239-4168 was assigned to the Federal Catalog?
Professional Distribution
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Pricing
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