5305-01-575-8490, SCREW,CAP,SOCKET HEAD

National Stock Number:
5305-01-575-8490

Federal Supply Class:
5305

National Item Identification Number:
015758490

Description:
SCREW,CAP,SOCKET HEAD

Detail:
An externally threaded fastener whose threaded portion is of one nominal diameter. The head has an internal socket or multiple spline for use with an inserted driver. A locking feature may be incorporated in the design of the head or threads. Excludes items with bevel (conical) heads. See BOLT, INTERNAL WRENCHING. Excludes SCREW, SHOULDER; and SCREW, MACHINE.

Manufacturer Information:

MS24667-43Z	80205	NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE
MS24667-43Z	96906	MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
NASM24667-43Z	80205	NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE

Techincal Specification:

COUNTERSINK ANGLE	80.0 DEGREES MINIMUM AND 84.0 DEGREES MAXIMUM
FASTENER LENGTH	1.460 INCHES MINIMUM AND 1.500 INCHES MAXIMUM
HEAD DIAMETER	0.600 INCHES MINIMUM AND 0.656 INCHES MAXIMUM
HEAD HEIGHT	0.198 INCHES NOMINAL
HEAD STYLE	FLAT COUNTERSUNK
INTERNAL DRIVE STYLE	HEXAGON
MATERIAL DOCUMENT AND CLASSIFICATION	66 FED STD SINGLE MATERIAL RESPONSE OVERALL
MATERIAL	STEEL OVERALL
MINIMUM TENSILE STRENGTH	7800 POUNDS PER SQUARE INCH
NOMINAL THREAD DIAMETER	0.313 INCHES
PART NAME ASSIGNED BY CONTROLLING AGENCY	SCREW. CAP, SOCKET HEAD, FLAT COUNTERSUNK
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	ASTM B633, TYPE II. CLASS FE/ZN 5 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENT	ZINC OVERALL
THREAD CLASS	3A
THREAD DIRECTION	RIGHT-HAND
THREAD LENGTH	1.262 INCHES MINIMUM AND 1.302 INCHES MAXIMUM
THREAD SERIES DESIGNATOR	UNIFIED NATIONAL COARSE (UNC)
THREAD QUANTITY PER INCH	18
WIDTH ACROSS FLATS	0.188 INCHES NOMINAL

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