National Stock Number (NSN) 5305-01-004-8712 (5305010048712) 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)	01-004-8712 (010048712)
NCB Code	USA (01)
Manufacturer	Air Industries Corp, Huck International Inc, Nor Cal Supply Coinc, Sps Technologies Inc, Alcoa Global Fasteners Inc, National Aerospace Standards Com, Apcom Inc, Lawrence Engineering And Supply Inc, Nd Industries Inc, Hi Shear Corporation, Longlok Fasteners Corporation, Fastener Innovation Technology Inc, F And C Sales Inc, Plastic And Metal Products Co, Lisi Aerospace Canada Corp, Hardware Specialties Inc

Part Number	Manufacturer	Item Name	Cage Code	RFQ
NAS1189-4P7L	air industries corp	screw cap socket head	08938	RFQ
NAS1189-4P7L	huck international inc	screw cap socket head	97928	RFQ
NAS1189-4P7L	nor cal supply coinc	screw cap socket head	07851	RFQ
NAS1189-4P7L	sps technologies inc	screw cap socket head	80539	RFQ
NAS1189-4P7L	alcoa global fasteners inc	screw cap socket head	92215	RFQ
NAS1189-4P7L	national aerospace standards com	screw cap socket head	80205	RFQ
NAS1189-4P7L	apcom inc	screw cap socket head	50568	RFQ
NAS1189-4P7L	lawrence engineering and supply inc	screw cap socket head	04348	RFQ
NAS1189-4P7L	nd industries inc	screw cap socket head	56357	RFQ
NAS1189-4P7L	hi shear corporation	screw cap socket head	73197	RFQ
NAS1189-4P7L	longlok fasteners corporation	screw cap socket head	16941	RFQ
NAS1189-4P7L	fastener innovation technology inc	screw cap socket head	58998	RFQ
NAS1189-4P7L	f and c sales inc	screw cap socket head	30902	RFQ
NAS1189-4P7L	plastic and metal products co	screw cap socket head	53606	RFQ
NAS1189-4P7L	lisi aerospace canada corp	screw cap socket head	l4528	RFQ
NAS1189-4P7L	hardware specialties inc	screw cap socket head	07679	RFQ

MRC	Criteria	Characteristic
AAJD	THREAD CLASS	3A
AAJF	THREAD DIRECTION	RIGHT-HAND
AASA	THREAD LENGTH	0.438 INCHES NOMINAL
AASB	FASTENER LENGTH	0.438 INCHES NOMINAL
AASK	HEAD STYLE	FLAT COUNTERSUNK
AASL	HEAD DIAMETER	0.442 INCHES NOMINAL
AAUM	LOCKING FEATURE	STRIP THREADS
ABQZ	INTERNAL DRIVE STYLE	CROSS RECESS TYPE 1
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
CSYM	SURFACE FINISH	32.0 MICROINCHES BEARING SURFACE OF HEAD
CSYM	SURFACE FINISH	32.0 MICROINCHES THREADS
MATT	MATERIAL	STEEL COMP 4140 OVERALL OR STEEL COMP E4340 OVERALL OR STEEL COMP 6150 OVERALL OR STEEL COMP 8735 OVERALL OR STEEL COMP 8740 OVERALL
MDCL	MATERIAL DOCUMENT AND CLASSIFICATION	MIL-S-5626 MIL SPEC 1ST MATERIAL RESPONSE OVERALL OR MIL-S-5000 MIL SPEC 2ND MATERIAL RESPONSE OVERALL OR MIL-S-8503 MIL SPEC 3RD MATERIAL RESPONSE OVERALL OR MIL-S-6098 MIL SPEC 4TH MATERIAL RESPONSE OVERALL OR MIL-S-6049 MIL SPEC 5TH MATE
SFTT	SURFACE TREATMENT	CADMIUM OVERALL AND CHROMATE OVERALL
STDC	SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-P-416,TY 2,CLB FED SPEC ALL TREATMENT RESPONSES OVERALL
THSD	THREAD SERIES DESIGNATOR	UNJF
ZZZK	SPECIFICATION/STANDARD DATA	80205-NAS1189 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD