National Stock Number (NSN) 5310-00-590-1786 (5310005901786) Parts List

Item Name	Washer Key
Federal Supply Group (FSG)	Hardware and Abrasives
Federal Supply Class (FSC)	5310 Nuts and Washers
National Item Identification Number (NIIN)	00-590-1786 (005901786)
NCB Code	USA (00)
Manufacturer	Aero Metal Forms Inc, The Boeing Company

Part Number	Manufacturer	Item Name	Cage Code	RFQ
23-1308	aero metal forms inc	washer key	3t761	RFQ
23-1308	the boeing company	washer key	82918	RFQ

MRC	Criteria	Characteristic
AAUB	HOLE DIAMETER	2.250 INCHES MINIMUM AND 2.270 INCHES MAXIMUM
ABKV	OUTSIDE DIAMETER	3.000 INCHES NOMINAL
ABMQ	EXTERNAL KEY QUANTITY	3
ABPX	MATERIAL THICKNESS	0.020 INCHES NOMINAL
FEAT	SPECIAL FEATURES	ONE KEY IS WIDER THAN OTHER TWO KEYS
MATT	MATERIAL	ALUMINUM ALLOY 3003 OVERALL
MDCL	MATERIAL DOCUMENT AND CLASSIFICATION	QQ-A-250/2 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
STYL	STYLE DESIGNATOR	KEY