NSN 5977-00-281-0999 MB19766A, 0119766, 01-19766
Product Details | ELECTRICAL CONTACT BRUSH
5977-00-281-0999 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.
Part Alternates: MB19766A, 0119766, 01-19766, 3008030, 30080-30, 5977-00-281-0999, 00-281-0999, 5977002810999, 002810999
Electrical and Electronic Equipment Components | Electrical Contact Brushes and Electrodes
| Supply Group (FSG) | NSN Assign. | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 59 | 10 JAN 1969 | 00-281-0999 | 00302 ( BRUSH, ELECTRICAL CONTACT ) |
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Technical Data | NSN 5977-00-281-0999
| Characteristic | Specifications |
|---|---|
| STYLE DESIGNATOR | A1 ONE PIECE |
| MATERIAL | METAL GRAPHITE |
| MATERIAL DOCUMENT AND CLASSIFICATION | MORGANITE INC,GR CM5H21 MFR REF SINGLE MATERIAL RESPONSE |
| BODY STYLE | B3 RECTANGULAR COMMUTATOR |
| WIDTH | 0.433 INCHES MINIMUM AND 0.437 INCHES MAXIMUM |
| THICKNESS | 0.185 INCHES MINIMUM AND 0.187 INCHES MAXIMUM |
| LENGTH | 0.719 INCHES MINIMUM AND 0.781 INCHES MAXIMUM |
| CONTACT FACE STYLE | D2 CONCAVE |
| RADIUS | 0.460 INCHES NOMINAL |
| TOP STYLE | E23 CYLINDRICAL HEAD |
| HEAD DIAMETER | 0.345 INCHES MAXIMUM |
| HEAD LENGTH | 0.125 INCHES NOMINAL |
| SHUNT INSULATION PROVISION AND QUANTITY | 1 UNINSULATED |
| SHUNT POSITION DESIGNATOR | 5 |
| BRUSH SHUNT LENGTH | 0.750 INCHES MINIMUM AND 0.875 INCHES MAXIMUM SINGLE SHUNT |
| PRESSURE SPRING TYPE AND QUANTITY | 1 CYLINDRICAL |
| SPRING FREE LENGTH | 2.063 INCHES NOMINAL |
| LARGEST OUTSIDE DIAMETER | 0.345 INCHES NOMINAL |
| TERMINAL TYPE AND QUANTITY | 1 ROUND CAP W/EARS |
| TERMINAL DIAMETER | 0.469 INCHES NOMINAL |
Restrictions/Controls & Freight Information | NSN 5977-00-281-0999
| Category | Code | Description |
|---|---|---|
| Hazardous Material Indicator Code | N | There is no data in the HMIS and the NSN is in an FSC not generally suspected of containing hazardous materials |
| Demilitarization Code: | A | Non-Munitions List Item/ Non-Strategic List Item - Demilitarization not required. |
| Precious Metals Indicator Code: | U | Precious metal type is unknown |
| Criticality Code: | X | The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application. |
| Category | Code | Description |
|---|---|---|
| NMF Description | 040580 | CARBON BRUSHES GENERATOR/MOTOR |
| Less than car load rating | ||
| Less than truck load rating | M | 85.0 |
| Water commodity Code | 72D | unknown |
| Originating Activity Code | CX | Defense Supply Center Richmond Richmond, VA 23297-5000 |
| Air Dimension Code | A | Shipment is not a consolidation and does not exceed 72 inches in any dimension. |
| Air Commodity | B | Construction materials: Includes paint and related materials, prefabricated building, wood products, metal and composition materials and their products, commercial hardware and miscellaneous items, cement, asphalt, building maintenance materials. |
| Air Special Handling | Z | No special handling required. |
| Special Handling Code | 9 | unknonwn |
| HAZMAT | ||
| Type of Cargo | Z | No special type of cargo code applicable |



