NSN 5305-01-286-2638, (5305012862638) 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)	01-286-2638 (012862638)
NCB Code	USA (01)
Manufacturer	National Aerospace Standards Com

Part Number	Manufacturer	Item Name	Cage Code	RFQ
NAS1992C2T	national aerospace standards com	screw close tolerance	80205	RFQ

MRC	Criteria	Characteristic
AAJD	THREAD CLASS	3A
AAJF	THREAD DIRECTION	RIGHT-HAND
AASA	THREAD LENGTH	0.313 INCHES MINIMUM AND 0.363 INCHES MAXIMUM
AASB	FASTENER LENGTH	0.448 INCHES MINIMUM AND 0.478 INCHES MAXIMUM
AASK	HEAD STYLE	FLAT COUNTERSUNK
AASL	HEAD DIAMETER	0.253 INCHES MINIMUM AND 0.261 INCHES MAXIMUM
AAUR	GRIP DIAMETER	0.1625 INCHES MINIMUM AND 0.1635 INCHES MAXIMUM
ABQZ	INTERNAL DRIVE STYLE	OFFSET CRUCIFORM (TORQUE SET)
AHYM	NOMINAL THREAD DIAMETER	0.164 INCHES
ANEE	GRIP LENGTH	0.115 INCHES MINIMUM AND 0.135 INCHES MAXIMUM
CMLP	THREAD QUANTITY PER INCH	32
CQBC	MINIMUM TENSILE STRENGTH	180000 POUNDS PER SQUARE INCH
CRSQ	COUNTERSINK ANGLE	99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM
CSYM	SURFACE FINISH	32.0 MICROINCHES BEARING SURFACE OF HEAD
CSYM	SURFACE FINISH	32.0 MICROINCHES GRIP
CSYM	SURFACE FINISH	32.0 MICROINCHES THREADS
MATT	MATERIAL	IRON ALLOY 660 OVERALL
MDCL	MATERIAL DOCUMENT AND CLASSIFICATION	AMS5731 ASSN STD SINGLE MATERIAL RESPONSE OVERALL OR AMS5737 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
SFTT	SURFACE TREATMENT	PASSIVATE OVERALL
STDC	SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
THSD	THREAD SERIES DESIGNATOR	UNJC
ZZZK	SPECIFICATION/STANDARD DATA	80205-NAS1992 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD