NSN 5305-00-857-5743, (5305008575743) Parts Inventory

Item Name	Screw Externally Relieved Body
Federal Supply Group (FSG)	Hardware and Abrasives
Federal Supply Class (FSC)	5305 Screws
National Item Identification Number (NIIN)	00-857-5743 (008575743)
NCB Code	USA (00)
Manufacturer	Hi Shear Corporation, Lisi Aerospace Canada Corp, Northrop Grumman Systems Corporation

Part Number	Manufacturer	Item Name	Cage Code	RFQ
P81-428-7	hi shear corporation	screw externally relieved body	73197	RFQ
P81-428-7	lisi aerospace canada corp	screw externally relieved body	l4528	RFQ
577R005H44	northrop grumman systems corporation	screw externally relieved body	97942	RFQ

MRC	Criteria	Characteristic
AAJD	THREAD CLASS	3A
AASB	FASTENER LENGTH	0.944 INCHES NOMINAL
AASK	HEAD STYLE	PAN
AAWH	DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER	0.664 INCHES NOMINAL
ABQZ	INTERNAL DRIVE STYLE	CROSS RECESS TYPE 1
AHYM	NOMINAL THREAD DIAMETER	0.250 INCHES
CSNG	EXTERNALLY RELIEVED BODY DIAMETER QUANTITY	1
MATT	MATERIAL	STEEL OVERALL
SFTT	SURFACE TREATMENT	CADMIUM OVERALL AND CHROMATE OVERALL
THSD	THREAD SERIES DESIGNATOR	UNF
AAWC	FIRST DIAMETER FROM HEAD	0.200 INCHES NOMINAL
CMLP	THREAD QUANTITY PER INCH	28
AAJF	THREAD DIRECTION	RIGHT-HAND
AASA	THREAD LENGTH	0.280 INCHES MINIMUM
AASL	HEAD DIAMETER	0.360 INCHES NOMINAL
AASU	HEAD HEIGHT	0.080 INCHES NOMINAL