National Stock Number (NSN) 5920-00-521-8331 (5920005218331) Parts List

Item Name	Block Telephone Protector
Federal Supply Group (FSG)	Electrical and Electronic Equipment Components
Federal Supply Class (FSC)	5920 Fuses Arresters Absorbers and Protector
National Item Identification Number (NIIN)	00-521-8331 (005218331)
NCB Code	USA (00)
Manufacturer	Gte Communication Systems Corp, American Telephone And Telegraph Co, Lucent Technologies Inc, Corning Cable Systems Llc, Harris Corporation, Itt Industries Limited

Part Number	Manufacturer	Item Name	Cage Code	RFQ
MB1001	gte communication systems corp	block telephone protector	04773	RFQ
107C	american telephone and telegraph co	block telephone protector	64959	RFQ
107C	lucent technologies inc	block telephone protector	06kw9	RFQ
2A1A	lucent technologies inc	block telephone protector	06kw9	RFQ
MB1324	gte communication systems corp	block telephone protector	04773	RFQ
NE2A1A	corning cable systems llc	block telephone protector	22358	RFQ
2A1A	american telephone and telegraph co	block telephone protector	64959	RFQ
B1016055	harris corporation	block telephone protector	31550	RFQ
B1016055	itt industries limited	block telephone protector	28528	RFQ

MRC	Criteria	Characteristic
ABHP	OVERALL LENGTH	0.650 INCHES NOMINAL
ADAV	OVERALL DIAMETER	0.500 INCHES NOMINAL
APZY	CIRCUIT PROTECTOR BLOCK LOCATION	ABOVE GROUND SIDE
FEAT	SPECIAL FEATURES	ONE SLOTTED HEAD SCREW; 7/16 X 20 IN. THD
MATT	MATERIAL	CARBON
SHPE	SHAPE	CYLINDRICAL