National Stock Number (NSN) 5977-00-243-8971 (5977002438971) Parts List

Item Name	Brush Electrical Contact
Federal Supply Group (FSG)	Electrical and Electronic Equipment Components
Federal Supply Class (FSC)	5977 Electrical Contact Brushes and Electrodes
National Item Identification Number (NIIN)	00-243-8971 (002438971)
NCB Code	USA (00)
Manufacturer	Lockheed Martin Corporation, Northrop Grumman Systems Corporation, National Electrical Mfrs Assn

Part Number	Manufacturer	Item Name	Cage Code	RFQ
122193	lockheed martin corporation	brush electrical contact	56232	RFQ
122193	northrop grumman systems corporation	brush electrical contact	03956	RFQ
ANSI/NEMA PUB NO. CB1	national electrical mfrs assn	brush electrical contact	81705	RFQ

MRC	Criteria	Characteristic
AACQ	PERIPHERAL SPEED	5500 FEET PER MINUTE
AAQL	BODY STYLE	RECTANGULAR COMMUTATOR
ABGL	WIDTH	0.245 INCHES MINIMUM AND 0.250 INCHES MAXIMUM
ABNM	THICKNESS	0.182 INCHES MINIMUM AND 0.187 INCHES MAXIMUM
ABRY	LENGTH	0.984 INCHES MINIMUM AND 1.016 INCHES MAXIMUM
BTHR	TOP STYLE	FLAT
CQGT	CONTACT FACE STYLE	FLAT
CRTL	CRITICALITY CODE JUSTIFICATION	MATT AND MDCL
MATT	MATERIAL	ELECTROGRAPHITIC
MDCL	MATERIAL DOCUMENT AND CLASSIFICATION	THE CARBONE CORP,GR EGA MFR REF SINGLE MATERIAL RESPONSE
STYL	STYLE DESIGNATOR	ONE PIECE