Product Details | ELECTRICAL CONTACT BRUSH

5977-00-239-4121 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: B644A4ALT0 , SCD9814611, SCD98146-11, 1491535, 1491535GRD, 41111433272REVAITEM9, 4111-1433272REVAITEM9, 5804490, 5829438, 61013203285PC58, 6101-3203285PC58, 61043181202REVAPC82, 6104-3181202REVAPC82, 5977-00-239-4121, 00-239-4121, 5977002394121, 002394121

Electrical and Electronic Equipment Components | Electrical Contact Brushes and Electrodes

Supply Group (FSG) NSN Assign. NIIN
59 01 JAN 1963 00-239-4121

Drawings & Photos | NSN 5977-00-239-4121


Demand History | NSN 5977-00-239-4121

Part Number Request Date QTY Origin
5977-00-239-4121 2014-02-51 431 DIBBS
5977-00-239-4121 2013-04-92 347 DIBBS
5977-00-239-4121 2012-01-03 83 DIBBS
5977-00-239-4121 2011-12-346 28 DIBBS
5977-00-239-4121 2010-07-210 34 DIBBS
5977-00-239-4121 2010-03-85 92 DIBBS
5977-00-239-4121 2009-10-278 89 DIBBS
5977-00-239-4121 2008-03-81 85 DIBBS

Cross Reference | NSN 5977-00-239-4121

Part Number Cage Code Manufacturer
1491535 0AHP6 NATIONAL ELECTRICAL CARBON PRODUCTS INC.
1491535 34990 NATIONAL ELECTRICAL CARBON PRODUCTS INC
1491535GRD 1ML14 D.W. HERCULES, LLC DBA HERCULES ENGINE COMPONENTS
1491535GRD 28265 HERCULES ENGINE CO INC
1491535GRD 34990 NATIONAL ELECTRICAL CARBON PRODUCTS INC
4111-1433272REVAITEM9 80064 NAVAL SHIP SYSTEMS COMMAND
5804490 34990 NATIONAL ELECTRICAL CARBON PRODUCTS INC
5829438 34990 NATIONAL ELECTRICAL CARBON PRODUCTS INC
6101-3203285PC58 80064 NAVAL SHIP SYSTEMS COMMAND
6104-3181202REVAPC82 80064 NAVAL SHIP SYSTEMS COMMAND
SCD98146-11 80063 US ARMY COMMUNICATIONS & ELECTRONICS MATERIEL READINESS

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Technical Data | NSN 5977-00-239-4121

Characteristic Specifications
STYLE DESIGNATOR A1 ONE PIECE
MATERIAL ELECTROGRAPHITIC
MATERIAL DOCUMENT AND CLASSIFICATION NATIONAL GRADE D MFR REF SINGLE MATERIAL RESPONSE
BODY STYLE B2 RECTANGULAR
WIDTH 1.000 INCHES NOMINAL
THICKNESS 0.500 INCHES NOMINAL
LENGTH 1.875 INCHES NOMINAL
CONTACT FACE STYLE D5 FLAT
TOP STYLE E1 FLAT
SHUNT INSULATION PROVISION AND QUANTITY 1 INSULATED
SHUNT POSITION DESIGNATOR 9
BRUSH SHUNT LENGTH 4.375 INCHES NOMINAL SINGLE SHUNT
TERMINAL TYPE AND QUANTITY 1 STRAIGHT W/SLOT
TERMINAL SLOT WIDTH 0.250 INCHES NOMINAL

Restrictions/Controls & Freight Information | NSN 5977-00-239-4121

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:UPrecious 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 658 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 5977-00-239-4121

Category Code Description
Cognizance Codes9GNavy-owned stocks of defense general material
Naval Inventory Control Point, Mechanicsburg
Source of SupplyS9GDefense Supply Center Richmond
Richmond, VA 23297
AgencyDNDepartment of the Navy
Service OrganizationNU.S. Navy
Acquisition Advice CodesYTERMINAL ITEM #(NON-STOCKED ITEMS) Future procurement is not authorized. No wholesale stock is available for issue. 1. Requisitions will not be processed to the wholesale manager. 2. Internal Service/agency requisitioning may be continued in accordance with the Service/agency requisitioning policies.
Controlled Item CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative
Purchasing QTY
UOM
1
EA : Each