National Stock Number (NSN) 5305-01-191-6270 (5305011916270) Parts List

Item Name	Screw Machine
Federal Supply Group (FSG)	Hardware and Abrasives
Federal Supply Class (FSC)	5305 Screws
National Item Identification Number (NIIN)	01-191-6270 (011916270)
NCB Code	USA (01)
Manufacturer	Northrop Grumman Systems Corporation

Part Number	Manufacturer	Item Name	Cage Code	RFQ
123WM10111-617	northrop grumman systems corporation	screw machine	79rg9	RFQ

MRC	Criteria	Characteristic
AAJD	THREAD CLASS	3A
AAJF	THREAD DIRECTION	RIGHT-HAND
AASA	THREAD LENGTH	0.312 INCHES NOMINAL
AASB	FASTENER LENGTH	0.897 INCHES MINIMUM AND 0.927 INCHES MAXIMUM
AASK	HEAD STYLE	FLAT COUNTERSUNK UNDERCUT
AASL	HEAD DIAMETER	0.531 INCHES NOMINAL
AASU	HEAD HEIGHT	0.057 INCHES MINIMUM AND 0.059 INCHES MAXIMUM
ABQZ	INTERNAL DRIVE STYLE	SLOT
AHYM	NOMINAL THREAD DIAMETER	0.250 INCHES
CMLP	THREAD QUANTITY PER INCH	28
CQBC	MINIMUM TENSILE STRENGTH	160000 POUNDS PER SQUARE INCH
CRSQ	COUNTERSINK ANGLE	100.0 DEGREES NOMINAL
CXCY	PART NAME ASSIGNED BY CONTROLLING AGENCY	NAVY SPECIAL PROJECT
CYAU	SCREW MATERIAL	STEEL
CYBA	SCREW SURFACE TREATMENT	CHROMATE AND CADMIUM
CYBE	SCREW SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-P-416 TYPE 2 CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE
FEAT	SPECIAL FEATURES	CONCENTRIC HOLE IN HEAD 0.1596 IN. MIN,0.1675 IN. MAX DIA; 0.190 IN. THD DIA,32 THREADS PER IN. JF,CLASS 3B; COUNTERSUNK 90 DEGREES,0.156 IN. MIN 0.187 IN MAX DIA; 0.435 IN. MIN,0.600 IN. MAX LENGTH
THSD	THREAD SERIES DESIGNATOR	UNJF