National Stock Number (NSN) 5970-00-931-4814 (5970009314814) Parts List

Item Name	Insulator Washer
Federal Supply Group (FSG)	Electrical and Electronic Equipment Components
Federal Supply Class (FSC)	5970 Electrical Insulators and Insulating Materials
National Item Identification Number (NIIN)	00-931-4814 (009314814)
NCB Code	USA (00)
Manufacturer	Drs Sustainment Systems Inc, Rockwell Collins Aerospace, Northrop Grumman Systems Corporation, Spruce Pine Mica Company, The Delbert Blinn Co Inc, Reliance Mica Company Inc

Part Number	Manufacturer	Item Name	Cage Code	RFQ
ES3138-303	drs sustainment systems inc	insulator washer	20418	RFQ
302-0640-100	rockwell collins aerospace	insulator washer	13499	RFQ
128-004-0001	northrop grumman systems corporation	insulator washer	95542	RFQ
302-0640-100	spruce pine mica company	insulator washer	16037	RFQ
MW425-120	the delbert blinn co inc	insulator washer	08289	RFQ
RFM1340	reliance mica company inc	insulator washer	08530	RFQ
302-0640V	rockwell collins aerospace	insulator washer	13499	RFQ

MRC	Criteria	Characteristic
AARX	INSIDE DIAMETER	0.115 INCHES MINIMUM AND 0.125 INCHES MAXIMUM
ABKV	OUTSIDE DIAMETER	0.415 INCHES MINIMUM AND 0.435 INCHES MAXIMUM
ABKW	OVERALL HEIGHT	0.001 INCHES MINIMUM AND 0.003 INCHES MAXIMUM
MTLC	MATERIAL AND LOCATION	OVERALL MICA,ASTM D351,CLASS V-5 ERR-100 ERR-100
STYL	STYLE DESIGNATOR	ROUND,FLAT