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NSN 5977-00-942-0550, 5977009420550
Cancelled -> Replaced by 5977005376137

Federal Supply Classification
FSC 5977 - Electrical Contact Brushes and Electrodes
National Item Identification Number
NIIN 009420550
Codification Country
United States
Item Name Code
INC 00302
Criticality
(X) This item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.
Hazardous Material Indicator Code
(N) There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials.
Availability: Readily Available Qualified Suppliers: Currently qualifying suppliers

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DLMS® Summary

National Stock Number 5977-00-942-0550

National Stock Number (NSN) 5977-00-942-0550, or NIIN 009420550, (brush,electrical contact) was assigned December 7, 1965 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN replaces 1 stock number, 5977005376137.

There are 5 manufacturer part numbers associated with this NSN. 2 of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 2 suppliers. Today, one supplier is listed as an Active supplier for this NSN. Of the active suppliers, only one supplier is deemed design controlled or valid supply parts.

This part number has not been procured by the US Government in over 5 years.

Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on May 02, 2005, this NSN's acquisition method was noted as: Acquire directly from the actual manufacturer, whether or not the prime contractor is the actual manufacturer. This part requires engineering source approval by the design control activity in order to maintain the quality of the part. An alternate source must qualify in accordance with the design control activity's procedures, as approved by the cognizant Government engineering activity. Valid AMCs: 1, 2, 3, 4 and 5.

This NSN is assigned to Item Name Code (INC) 00302. [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.]. This item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application. There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 5977009420550 contains an unknown precious metal.

This NSN is associated to Schedule B 8545200000: carbon or graphite brushes of a kind used for electrical purposes. The Schedule B End Use is listed as electric apparatus. NAICS classification category 335991: carbon and graphite product manufacturing.

This information was last updated on .


Technical Characteristics

BODY STYLE
(AAQL) RECTANGULAR COMMUTATOR
CONTACT FACE STYLE
(CQGT) CONCAVE
HEAD DIAMETER
(AASL) 0.142 INCHES MINIMUM AND 0.148 INCHES MAXIMUM
HEAD LENGTH
(AASV) 0.094 INCHES NOMINAL
LENGTH
(ABRY) 0.750 INCHES NOMINAL
MATERIAL DOCUMENT AND CLASSIFICATION
(MDCL) NATIONAL CARBON CO GRADE AY MFR REF SINGLE MATERIAL RESPONSE
MATERIAL
(MATT) ELECTROGRAPHITIC
RADIUS
(ABGG) 0.469 INCHES NOMINAL
STYLE DESIGNATOR
(STYL) ONE PIECE
THICKNESS
(ABNM) 0.119 INCHES MINIMUM AND 0.123 INCHES MAXIMUM
TOP STYLE
(BTHR) CYLINDRICAL HEAD
WIDTH
(ABGL) 0.244 INCHES MINIMUM AND 0.248 INCHES MAXIMUM

Manufacturer Part Numbers

20772

RNCC
5
RNVC
9
20772

RNCC
5
RNVC
9
31400390

RNCC
5
RNVC
2
49213025

RNCC
3
RNVC
9
SCD105822

RNCC
5
RNVC
1

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