National Stock Number (NSN) 5305-00-978-9371 (5305009789371) Parts List

Item Name	Screw Cap Socket Head
Federal Supply Group (FSG)	Hardware and Abrasives
Federal Supply Class (FSC)	5305 Screws
National Item Identification Number (NIIN)	00-978-9371 (009789371)
NCB Code	USA (00)
Manufacturer	Edo Ail Systems Inc, Tokyo Keiki Seizosho Co, Eca Etablissement Central Des, H K Fittings Inc, Edo Corp, National Aerospace Standards Com, Tokyo Keiki Inc, Wesco Aircraft Hardware Corp, Military Standards Corp, Defense Reduction Agency, Picatinny Arsenal

Part Number	Manufacturer	Item Name	Cage Code	RFQ
MSH08C20SC	edo ail systems inc	screw cap socket head	NA	RFQ
8661260-1-2	tokyo keiki seizosho co	screw cap socket head	s0555	RFQ
5305009789371	eca etablissement central des	screw cap socket head	scy13	RFQ
8-32X5-8FLATSCH	h k fittings inc	screw cap socket head	74445	RFQ
MSH08C20SC	edo corp	screw cap socket head	09017	RFQ
NAS608-832-10P	national aerospace standards com	screw cap socket head	80205	RFQ
8661260-1-2	tokyo keiki inc	screw cap socket head	j2901	RFQ
MS16997-33	wesco aircraft hardware corp	screw cap socket head	1v757	RFQ
MS16997-33	military standards corp	screw cap socket head	96906	RFQ
872771-00	defense reduction agency	screw cap socket head	32345	RFQ
872771	picatinny arsenal	screw cap socket head	19203	RFQ

MRC	Criteria	Characteristic
AAJD	THREAD CLASS	3A
AAJF	THREAD DIRECTION	RIGHT-HAND
AASA	THREAD LENGTH	0.532 INCHES MINIMUM AND 0.594 INCHES MAXIMUM
AASB	FASTENER LENGTH	0.594 INCHES MINIMUM AND 0.625 INCHES MAXIMUM
AASK	HEAD STYLE	FLAT CHAMFER
AASL	HEAD DIAMETER	0.262 INCHES MINIMUM AND 0.270 INCHES MAXIMUM
AASU	HEAD HEIGHT	0.159 INCHES MINIMUM AND 0.164 INCHES MAXIMUM
ABQZ	INTERNAL DRIVE STYLE	HEXAGON
AHYM	NOMINAL THREAD DIAMETER	0.164 INCHES
ASDB	WIDTH ACROSS FLATS	0.140 INCHES MINIMUM AND 0.142 INCHES MAXIMUM
CMLP	THREAD QUANTITY PER INCH	32
CQBC	MINIMUM TENSILE STRENGTH	160000 POUNDS PER SQUARE INCH
CQFM	HARDNESS RATING	36.0 ROCKWELL C MINIMUM OVERALL AND 45.0 ROCKWELL C MAXIMUM OVERALL
CQHQ	MINIMUM YIELD STRENGTH	130000 POUNDS PER SQUARE INCH
MATT	MATERIAL	STEEL OVERALL
MDCL	MATERIAL DOCUMENT AND CLASSIFICATION	66 FED STD SINGLE MATERIAL RESPONSE OVERALL
SFTT	SURFACE TREATMENT	CADMIUM OVERALL AND CHROMATE OVERALL
STDC	SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-P-416,TY 2,CL 3 FED SPEC ALL TREATMENT RESPONSES OVERALL
THSD	THREAD SERIES DESIGNATOR	UNC