NSN 5305-00-639-2541, (5305006392541) Parts Inventory

Item Name	Screw Close Tolerance
Federal Supply Group (FSG)	Hardware and Abrasives
Federal Supply Class (FSC)	5305 Screws
National Item Identification Number (NIIN)	00-639-2541 (006392541)
NCB Code	USA (00)
Manufacturer	National Aerospace Standards Com

Part Number	Manufacturer	Item Name	Cage Code	RFQ
NAS334A12-5	national aerospace standards com	screw close tolerance	80205	RFQ

MRC	Criteria	Characteristic
AAJD	THREAD CLASS	3A
AAJF	THREAD DIRECTION	RIGHT-HAND
AASA	THREAD LENGTH	0.443 INCHES MINIMUM AND 0.510 INCHES MAXIMUM
AASB	FASTENER LENGTH	1.327 INCHES MINIMUM AND 1.374 INCHES MAXIMUM
AASK	HEAD STYLE	FLAT COUNTERSUNK
AASL	HEAD DIAMETER	0.497 INCHES MINIMUM AND 0.507 INCHES MAXIMUM
AAUR	GRIP DIAMETER	0.2487 INCHES MINIMUM AND 0.2492 INCHES MAXIMUM
AAWU	SINGLE SHEAR STRENGTH	4650 POUNDS PER SQUARE INCH
ABQZ	INTERNAL DRIVE STYLE	HEXAGON
AHYM	NOMINAL THREAD DIAMETER	0.250 INCHES
ANEE	GRIP LENGTH	0.864 INCHES MINIMUM AND 0.884 INCHES MAXIMUM
ASDB	WIDTH ACROSS FLATS	0.157 INCHES MINIMUM AND 0.159 INCHES MAXIMUM
CMLP	THREAD QUANTITY PER INCH	28
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
CSYM	SURFACE FINISH	32.0 MICROINCHES GRIP
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
THSD	THREAD SERIES DESIGNATOR	UNF
ZZZK	SPECIFICATION/STANDARD DATA	80205-NAS334 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD