5310-01-503-7570 WASHER,LOCK Index 3040-01-503-7572 HOUSING,MECHANICAL DRIVE

National Stock Number:
5305-01-503-7571

Federal Supply Class:
5305

National Item Identification Number:
015037571

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:
NAS1351C7-4457472ALL MANUFACTURERS, INC.
NAS1351C7-4480205NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE


Techincal Specification:
THREAD SERIES DESIGNATORUNRF
NOMINAL THREAD DIAMETER0.438 INCHES
THREAD QUANTITY PER INCH20
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH1.375 INCHES NOMINAL
FASTENER LENGTH2.750 INCHES NOMINAL
MATERIALSTEEL UNS K03104 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONASTM A 574 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
HEAD STYLEFLAT CHAMFER
HEAD DIAMETER0.642 INCHES MINIMUM AND
0.656 INCHES MAXIMUM
HEAD HEIGHT0.430 INCHES MINIMUM AND
0.437 INCHES MAXIMUM
INTERNAL DRIVE STYLEHEXAGON
WIDTH ACROSS FLATS0.375 INCHES NOMINAL
SPECIFICATION/STANDARD DATA80205-NAS1351 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD


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