NSN 5305-00-606-9611, (5305006069611) Parts Inventory

Item Name	Screw Close Toleran
Federal Supply Group (FSG)	Hardware and Abrasives
Federal Supply Class (FSC)	5305 Screws
National Item Identification Number (NIIN)	00-606-9611 (006069611)
NCB Code	USA (00)
Manufacturer	Northrop Grumman Systems Corporation, Northrop Grumman Technical Services Inc

Part Number	Manufacturer	Item Name	Cage Code	RFQ
51B581-3-16H	northrop grumman systems corporation	screw close toleran	76823	RFQ
51B581-3-16H	northrop grumman technical services inc	screw close toleran	0jrc1	RFQ

MRC	Criteria	Characteristic
AAJD	THREAD CLASS	3A
AAJF	THREAD DIRECTION	RIGHT-HAND
AASA	THREAD LENGTH	0.250 INCHES MINIMUM AND 0.317 INCHES MAXIMUM
AASB	FASTENER LENGTH	1.260 INCHES MINIMUM AND 1.307 INCHES MAXIMUM
AASK	HEAD STYLE	FLAT COUNTERSUNK
AASL	HEAD DIAMETER	0.297 INCHES MINIMUM AND 0.302 INCHES MAXIMUM
AAUR	GRIP DIAMETER	0.1885 INCHES MINIMUM AND 0.1895 INCHES MAXIMUM
AAWB	SHANK UNTHREADED HOLE DIAMETER	0.070 INCHES NOMINAL FIRST HOLE
ABQZ	INTERNAL DRIVE STYLE	OFFSET CRUCIFORM (TORQUE SET)
AHYM	NOMINAL THREAD DIAMETER	0.190 INCHES
ANEE	GRIP LENGTH	0.990 INCHES MINIMUM AND 1.010 INCHES MAXIMUM
CMLP	THREAD QUANTITY PER INCH	32
CQBC	MINIMUM TENSILE STRENGTH	180000 POUNDS PER SQUARE INCH
CQFM	HARDNESS RATING	40.0 ROCKWELL C MINIMUM OVERALL AND 43.0 ROCKWELL C MAXIMUM OVERALL
CRSQ	COUNTERSINK ANGLE	99.5 DEGREES MINIMUM AND 100.5 DEGREES MAXIMUM
CRZS	DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER	1.143 INCHES MINIMUM FIRST HOLE AND 1.190 INCHES MAXIMUM FIRST HOLE
CSYM	SURFACE FINISH	32.0 MICROINCHES GRIP
MATT	MATERIAL	STEEL COMP E4340 OVERALL OR STEEL COMP 4340 OVERALL OR STEEL COMP 4140 OVERALL OR STEEL COMP 8740 OVERALL
SFTT	SURFACE TREATMENT	CADMIUM OVERALL AND CHROMATE OVERALL
STDC	SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-P-416,TY2 CL2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
THSD	THREAD SERIES DESIGNATOR	UNJF
ZZZK	SPECIFICATION/STANDARD DATA	76823-51B581 MANUFACTURERS STANDARD