NSN (5305007213060) – NSN 5305-00-721-3060 Parts List

Item Name	Screw Close Tolerance
Federal Supply Group (FSG)	Hardware and Abrasives
Federal Supply Class (FSC)	5305 Screws
National Item Identification Number (NIIN)	00-721-3060 (007213060)
NCB Code	USA (00)
Manufacturer	National Aerospace Standards Com, Eriks Southwest Inc, Lisi Aerospace Canada Corp, Lawrence Engineering And Supply Inc, Satair Usa Inc, Alcoa Fastening Systems Ltd, Sps Technologies Inc, Durham Aircraft Service Inc, Air Industries Corp, F And C Sales Inc, Apcom Inc, Hi Shear Corporation, Leonardo Spa Aerostructure Division, Collins Engineering Corp, Nor Cal Supply Coinc

Part Number	Manufacturer	Item Name	Cage Code	RFQ
NAS498	national aerospace standards com	screw close tolerance	80205	RFQ
NAS1204-6	eriks southwest inc	screw close tolerance	30889	RFQ
NAS1204-6	lisi aerospace canada corp	screw close tolerance	l4528	RFQ
NAS1204-6	lawrence engineering and supply inc	screw close tolerance	04348	RFQ
NAS1204-6	satair usa inc	screw close tolerance	r1120	RFQ
NAS1204-6	alcoa fastening systems ltd	screw close tolerance	c4293	RFQ
NAS1204-6	sps technologies inc	screw close tolerance	80539	RFQ
NAS1204-6	durham aircraft service inc	screw close tolerance	82172	RFQ
NAS1204-6	air industries corp	screw close tolerance	08938	RFQ
NAS1204-6	f and c sales inc	screw close tolerance	30902	RFQ
NAS1204-6	apcom inc	screw close tolerance	50568	RFQ
NAS1204-6	hi shear corporation	screw close tolerance	73197	RFQ
NAS1204-6	national aerospace standards com	screw close tolerance	80205	RFQ
NAS1204-6	leonardo spa aerostructure division	screw close tolerance	a0170	RFQ
NAS1204-6	collins engineering corp	screw close tolerance	71563	RFQ
NAS1204-6	nor cal supply coinc	screw close tolerance	07851	RFQ

MRC	Criteria	Characteristic
AAJD	THREAD CLASS	3A
AAJF	THREAD DIRECTION	RIGHT-HAND
AASA	THREAD LENGTH	0.316 INCHES MINIMUM
AASB	FASTENER LENGTH	0.676 INCHES MINIMUM AND 0.706 INCHES MAXIMUM
AASK	HEAD STYLE	FLAT COUNTERSUNK
AASL	HEAD DIAMETER	0.449 INCHES MINIMUM AND 0.507 INCHES MAXIMUM
AAUR	GRIP DIAMETER	0.2485 INCHES MINIMUM AND 0.2495 INCHES MAXIMUM
ABQZ	INTERNAL DRIVE STYLE	CROSS RECESS TYPE 1
AHYM	NOMINAL THREAD DIAMETER	0.250 INCHES
ANEE	GRIP LENGTH	0.375 INCHES NOMINAL
CMLP	THREAD QUANTITY PER INCH	28
CQBC	MINIMUM TENSILE STRENGTH	160000 POUNDS PER SQUARE INCH
CQFM	HARDNESS RATING	36.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM OVERALL
CRSQ	COUNTERSINK ANGLE	99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM
MATT	MATERIAL	STEEL COMP 4140 OR STEEL COMP E4340 OR STEEL COMP 6150 OR STEEL COMP 8735 OR STEEL COMP 8740 OVERALL
MDCL	MATERIAL DOCUMENT AND CLASSIFICATION	MIL-S-5626 MIL SPEC 1ST MATERIAL RESPONSE OR MIL-S-5000 MIL SPEC 2ND MATERIAL RESPONSE OR MIL-S-8503 MIL SPEC 3RD MATERIAL RESPONSE OR MIL-S-6098 MIL SPEC 4TH MATERIAL RESPONSE OR MIL-S-6049 MIL SPEC 5TH MATERIAL RESPONSE OVERALL
SFTT	SURFACE TREATMENT	CADMIUM AND CHROMATE OVERALL
STDC	SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-P-416,TY2 CL3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
THSD	THREAD SERIES DESIGNATOR	UNF
ZZZK	SPECIFICATION/STANDARD DATA	80205-NAS1204 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD