5305-01-522-7550, SCREW,CAP,SOCKET HEAD

National Stock Number:
5305-01-522-7550

Federal Supply Class:
5305

National Item Identification Number:
015227550

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:

NAS1189E4T9LH

80205

NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE

Techincal Specification:

COUNTERSINK ANGLE	99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM
FASTENER LENGTH	0.863 INCHES MINIMUM AND 0.894 INCHES MAXIMUM
HEAD DIAMETER	0.442 INCHES MINIMUM AND 0.507 INCHES MAXIMUM
HEAD STYLE	FLAT COUNTERSUNK
INTERNAL DRIVE STYLE	OFFSET CRUCIFORM (TORQUE SET)
LOCKING FEATURE	PATCH OR PELLET OR STRIP THREADS
MATERIAL DOCUMENT AND CLASSIFICATION	AMS 5737 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIAL	STEEL CORROSION RESISTING OVERALL
MINIMUM TENSILE STRENGTH	160000 POUNDS PER SQUARE INCH
NOMINAL THREAD DIAMETER	0.250 INCHES
PART NAME ASSIGNED BY CONTROLLING AGENCY	SCREW, SELF-LOCKING, FLAT 100 DEGREE HEAD, FULL THREAD
SPECIFICATION/STANDARD DATA	80205-NAS1189 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
SURFACE FINISH	32.0 MICROINCHES BEARING SURFACE OF HEAD
SURFACE FINISH	32.0 MICROINCHES THREADS
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENT	PASSIVATE OVERALL
THREAD CLASS	3A
THREAD DIRECTION	RIGHT-HAND
THREAD LENGTH	0.863 INCHES MINIMUM AND 0.894 INCHES MAXIMUM
THREAD QUANTITY PER INCH	28
THREAD SERIES DESIGNATOR	UNJF

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