NSN 5310-00-701-8579, (5310007018579) Parts Inventory

Item Name	Washer Concave
Federal Supply Group (FSG)	Hardware and Abrasives
Federal Supply Class (FSC)	5310 Nuts and Washers
National Item Identification Number (NIIN)	00-701-8579 (007018579)
NCB Code	USA (00)
Manufacturer	Alcoa Global Fasteners Inc, Klx Aerospace Solutions Ii Sas, Klx Inc, Rockwell International Corp

Part Number	Manufacturer	Item Name	Cage Code	RFQ
K19301-3	alcoa global fasteners inc	washer concave	15653	RFQ
K19301-3	klx aerospace solutions ii sas	washer concave	f7652	RFQ
K19301-3	klx inc	washer concave	fb009	RFQ
HE114-0055-1001	rockwell international corp	washer concave	89372	RFQ

MRC	Criteria	Characteristic
AAUB	HOLE DIAMETER	0.261 INCHES NOMINAL
ABGG	RADIUS	0.235 INCHES MINIMUM AND 0.265 INCHES MAXIMUM
ABKV	OUTSIDE DIAMETER	0.380 INCHES MAXIMUM
ABMD	RECESS DIAMETER	0.330 INCHES NOMINAL
ABPX	MATERIAL THICKNESS	0.085 INCHES NOMINAL
MATT	MATERIAL	STEEL OVERALL
SFTT	SURFACE TREATMENT	CADMIUM OVERALL AND CHROMATE OVERALL
STDC	SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
STYL	STYLE DESIGNATOR	CONCAVE