Product Details | ELECTRICAL CONTACT BRUSH

5977-00-444-7407 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: NEMAPUBCB11961, NEMAPUBCB1-1961, S1924ST173A56, SN5203PC35, MILB003743, 173A56, 5977-00-444-7407, 00-444-7407, 5977004447407, 004447407

Electrical and Electronic Equipment Components | Electrical Contact Brushes and Electrodes

Supply Group (FSG) NSN Assign. NIIN
59 01 JAN 1963 00-444-7407

Drawings & Photos | NSN 5977-00-444-7407


Cross Reference | NSN 5977-00-444-7407

Part Number Cage Code Manufacturer
173A56 19070 EASTERN AIR DEVICES INC DBA EAD MOTORS
MILB003743 81349 MILITARY SPECIFICATIONS PROMULGATED BY MILITARY
NEMAPUBCB1-1961 81705 NATIONAL ELECTRICAL MFRS ASSN
S1924ST173A56 19070 EASTERN AIR DEVICES INC DBA EAD MOTORS
SN5203PC35 19070 EASTERN AIR DEVICES INC DBA EAD MOTORS

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Technical Data | NSN 5977-00-444-7407

Characteristic Specifications
STYLE DESIGNATOR A1 ONE PIECE
MATERIAL ELECTROGRAPHITIC
MATERIAL DOCUMENT AND CLASSIFICATION UNION CARBIDE CORP,GRADE 259 MFR REF SINGLE MATERIAL RESPONSE
BODY STYLE B3 RECTANGULAR COMMUTATOR
WIDTH 0.750 INCHES NOMINAL
THICKNESS 0.375 INCHES NOMINAL
LENGTH 1.250 INCHES NOMINAL
CONTACT FACE STYLE D3 CONCAVE ON BEVEL
RADIUS 2.375 INCHES NOMINAL
BEVEL ANGLE 15.0 DEGREES NOMINAL
TOP STYLE E1 FLAT
SHUNT INSULATION PROVISION AND QUANTITY 1 UNINSULATED
SHUNT POSITION DESIGNATOR 9
BRUSH SHUNT LENGTH 2.375 INCHES NOMINAL SINGLE SHUNT
TERMINAL TYPE AND QUANTITY 1 STRAIGHT W/SLOT
TERMINAL SLOT WIDTH 0.219 INCHES NOMINAL
III PERIPHERAL SPEED 6000 FEET PER MINUTE
MANUFACTURERS CODE 81349
NON-DEFINITIVE GOVERNMENT SPEC/STD REFERENCE MILB003743

Restrictions/Controls & Freight Information | NSN 5977-00-444-7407

Category Code Description
Shelf-Life Code:0Nondeteriorative
Hazardous Material Indicator CodeNThere is no data in the HMIS and the NSN is in an FSC not generally suspected of containing hazardous materials
Demilitarization Code:ANon-Munitions List Item/ Non-Strategic List Item - Demilitarization not required.
Controlled Inventory Item Code:UUNCLASSIFIED
Precious Metals Indicator Code:AItem does not contain precious metal
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 XX
Air Dimension Code A Shipment is not a consolidation and does not exceed 72 inches in any dimension.
Air Commodity H Signal Corps supplies and equipment, including radio equipment and supplies, communications equipment and supplies, electrical equipment and supplies, etc.
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

Management | NSN 5977-00-444-7407

Category Code Description
Cognizance Codes9BNavy-owned stocks of DLA material
Naval Inventory Control Point, Mechanicsburg
Source of SupplySMSDefense Logistics Agency
Enterprise Business Systems
AgencyDNDepartment of the Navy
Service OrganizationNU.S. Navy
Acquisition Advice CodesXSEMIACTIVE ITEM-NO REPLACEMENT (NON-STOCKED ITEMS) A potentially inactive NSN which must be retained in the supply system as an item of supply because (1) stocks of the item are on hand or in use below the wholesale level and (2) the NSN is cited in equipment authorization documents TO & E, TA, TM, etc., or in-use assets are being reported. 1. Items are authorized for central procurement but not authorized for stockage at wholesale level. 2. Requisitions for in-use replacement will be authorized in accordance with individual Military Service directives. 3. Requisitions may be submitted as requirements generate. Repetitive demands may dictate an AAC change to permit wholesale stockage.
Controlled Item CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative
Purchasing QTY
UOM
1
EA : Each