National Stock Number (NSN) 5305-00-631-6081 (5305006316081) 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)	00-631-6081 (006316081)
NCB Code	USA (00)
Manufacturer	Nor Cal Supply Coinc, Nimikkeistokeskus Ncb Finland, Satair Usa Inc, F And C Sales Inc, Alcoa Fastening Systems Ltd, Birmingham Mfg Co, Lisi Aerospace Canada Corp, Inspektorat Wsparcia Sil Zbrojnych, Air Industries Corp, Hi Shear Corporation, Leonardo Spa Aerostructure Division, Collins Engineering Corp, Eriks Southwest Inc, Sps Technologies Inc, National Aerospace Standards Com, Durham Aircraft Service Inc, Apcom Inc

Part Number	Manufacturer	Item Name	Cage Code	RFQ
NAS1203-6	nor cal supply coinc	screw close tolerance	07851	RFQ
10200740	nimikkeistokeskus ncb finland	screw close tolerance	a486g	RFQ
NAS1203-6	satair usa inc	screw close tolerance	r1120	RFQ
NAS1203-6	f and c sales inc	screw close tolerance	30902	RFQ
NAS1203-6	alcoa fastening systems ltd	screw close tolerance	c4293	RFQ
NAS1203-6	birmingham mfg co	screw close tolerance	94348	RFQ
NAS1203-6	lisi aerospace canada corp	screw close tolerance	l4528	RFQ
5305PL0144617	inspektorat wsparcia sil zbrojnych	screw close tolerance	9009h	RFQ
NAS1203-6	air industries corp	screw close tolerance	08938	RFQ
NAS1203-6	hi shear corporation	screw close tolerance	73197	RFQ
NAS1203-6	leonardo spa aerostructure division	screw close tolerance	a0170	RFQ
NAS1203-6	collins engineering corp	screw close tolerance	71563	RFQ
NAS1203-6	eriks southwest inc	screw close tolerance	30889	RFQ
NAS1203-6	sps technologies inc	screw close tolerance	80539	RFQ
NAS1203-6	national aerospace standards com	screw close tolerance	80205	RFQ
NAS1203-6	durham aircraft service inc	screw close tolerance	82172	RFQ
NAS1203-6	apcom inc	screw close tolerance	50568	RFQ

MRC	Criteria	Characteristic
AAJD	THREAD CLASS	3A
AAJF	THREAD DIRECTION	RIGHT-HAND
AASA	THREAD LENGTH	0.276 INCHES MINIMUM
AASB	FASTENER LENGTH	0.636 INCHES MINIMUM AND 0.666 INCHES MAXIMUM
AASK	HEAD STYLE	FLAT COUNTERSUNK
AASL	HEAD DIAMETER	0.328 INCHES MINIMUM AND 0.385 INCHES MAXIMUM
AAUR	GRIP DIAMETER	0.1885 INCHES MINIMUM AND 0.1895 INCHES MAXIMUM
ABQZ	INTERNAL DRIVE STYLE	CROSS RECESS TYPE 1
AHYM	NOMINAL THREAD DIAMETER	0.190 INCHES
ANEE	GRIP LENGTH	0.375 INCHES NOMINAL
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 40.0 ROCKWELL C MAXIMUM OVERALL
CRSQ	COUNTERSINK ANGLE	99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM
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,TY2 CL3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
THSD	THREAD SERIES DESIGNATOR	UNF
ZZZK	SPECIFICATION/STANDARD DATA	80205-NAS1203 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD