5998-01-515-4537 CIRCUIT CARD ASSEMBLY Index 1560-01-515-4539 SUPPORT,STRUCTURAL COMPONENT,AIR

National Stock Number:
5305-01-515-4538

Federal Supply Class:
5305

National Item Identification Number:
015154538

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:
NA0069H03002080205NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE


Techincal Specification:
EXTERNAL THREAD TOLERANCE CLASS4H6H
FASTENER LENGTH20.0 MILLIMETERS NOMINAL
HEAD DIAMETER5.3 MILLIMETERS MINIMUM AND 5.5 MILLIMETERS MAXIMUM
HEAD HEIGHT2.8 MILLIMETERS MINIMUM AND 3.0 MILLIMETERS MAXIMUM
HEAD STYLEFLAT CHAMFER
HOLE CONFIGURATION STYLEROUND INTERNAL HEXAGON
HOLE DIAMETER1.00 MILLIMETERS MINIMUM AND 1.14 MILLIMETERS MAXIMUM
HOLE QUANTITY2
HOLE TYPEDRILLED
INTERNAL DRIVE STYLEHEXAGON
MATERIAL DOCUMENT AND CLASSIFICATIONAMS5731 ASSN STD SINGLE MATERIAL RESPONSE OR AMS5732 ASSN STD SINGLE MATERIAL RESPONSE OR AMS5737 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIALIRON ALLOY 660 OVERALL
NOMINAL THREAD DIAMETER3.0 MILLIMETERS
WIDTH ACROSS FLATS2.52 MILLIMETERS MINIMUM AND 2.56 MILLIMETERS MAXIMUM
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTPASSIVATE OVERALL
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH20.0 MILLIMETERS NOMINAL
THREAD SERIES DESIGNATORMJ
THREAD PITCH IN MILLIMETERS0.5


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