Recently Updated NSN 5310-01-228-9998 Or (5310012289998) Part List

Item Name	Nut Self Locking Extended Washer
Federal Supply Group (FSG)	Hardware and Abrasives
Federal Supply Class (FSC)	5310 Nuts and Washers
National Item Identification Number (NIIN)	01-228-9998 (012289998)
NCB Code	USA (01)
Manufacturer	Sps Technologies Inc, Northrop Grumman Systems Corporation, Alcoa Global Fasteners Inc

Part Number	Manufacturer	Item Name	RFQ
FN922-524	sps technologies inc	nut self locking extended washer	RFQ
GN511W5	northrop grumman systems corporation	nut self locking extended washer	RFQ
H52197-5	alcoa global fasteners inc	nut self locking extended washer	RFQ

MRC	Criteria	Characteristic
AAJD	THREAD CLASS	3B
AAJF	THREAD DIRECTION	RIGHT-HAND
AAUM	LOCKING FEATURE	PREVAILING TORQUE ALL METAL DESIGN
AAVX	WASHER OUTSIDE DIAMETER	0.531 INCHES MAXIMUM
ABAJ	LUBRICATION	SOLUBLE LUBRICANT
ABKW	OVERALL HEIGHT	0.280 INCHES MAXIMUM
ACTA	NUT STYLE	DOUBLE HEXAGON
ADEM	WASHER THICKNESS	0.040 INCHES MINIMUM
ASDB	WIDTH ACROSS FLATS	0.367 INCHES MINIMUM AND 0.376 INCHES MAXIMUM
AZKQ	TEMP RATING	900.0 DEG FAHRENHEIT MAXIMUM
BZRR	THREAD SERIES	UNJF
CMLP	THREAD QUANTITY PER INCH	24
CQJX	NOMINAL THREAD SIZE	0.312 INCHES
MATT	MATERIAL	STEEL COMP 601 OR STEEL COMP H11 OVERALL
MDCL	MATERIAL DOCUMENT AND CLASSIFICATION	AMS 6304 ASSN STD 1ST MATERIAL RESPONSE OR AMS 6485 ASSN STD 2ND MATERIAL RESPONSE OR AMS 6487 ASSN STD 2ND MATERIAL RESPONSE OVERALL
SFTT	SURFACE TREATMENT	NICKEL AND CADMIUM AND CHROMATE OVERALL
STDC	SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	AMS 2416 ASSN STD SINGLE TREATMENT RESPONSE OVERALL