5305-01-183-5805, SCREW,CAP,SOCKET HEAD

National Stock Number:
5305-01-183-5805

Federal Supply Class:
5305

National Item Identification Number:
011835805

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:

CA21017-4-03	29372	HOWMET GLOBAL FASTENING SYSTEMS INC.
FIT01-0001-4003	58998	FASTENER INNOVATION TECHNOLOGY, INC.
LE111-0001-4003	43999	THE BOEING COMPANY

Techincal Specification:

FASTENER LENGTH	0.178 INCHES MINIMUM AND 0.198 INCHES MAXIMUM
HEAD DIAMETER	0.477 INCHES MINIMUM AND 0.492 INCHES MAXIMUM
HEAD HEIGHT	0.140 INCHES MINIMUM AND 0.150 INCHES MAXIMUM
HEAD STYLE	PAN NO. 2
INTERNAL DRIVE STYLE	HEXAGON
MATERIAL DOCUMENT AND CLASSIFICATION	AMS 5732 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIAL	IRON ALLOY 660 OVERALL
MINIMUM TENSILE STRENGTH	180000 POUNDS PER SQUARE INCH
NOMINAL THREAD DIAMETER	0.250 INCHES
SPECIAL FEATURES	THREE EXTERNAL SLOTS 0.040-0.044 IN. DIA.,0.148-0.168 IN. LG,HOLE COUNTERBORE IN POINT,REAMED TO ACCEPT PLUG
SURFACE FINISH	32.0 MICROINCHES BEARING SURFACE OF HEAD
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENT	PASSIVATE OVERALL
THREAD LENGTH	0.107 INCHES MINIMUM AND 0.198 INCHES MAXIMUM
THREAD CLASS	3A
THREAD DIRECTION	RIGHT-HAND
THREAD SERIES DESIGNATOR	UNIFIED NATIONAL JOINT FINE (UNJF)
THREAD QUANTITY PER INCH	28
WIDTH ACROSS FLATS	0.1565 INCHES MINIMUM AND 0.1587 INCHES MAXIMUM

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