5330-01-486-8290 GASKET Index 5998-01-486-8292 CIRCUIT CARD ASSEMBLY

National Stock Number:
5305-01-486-8291

Federal Supply Class:
5305

National Item Identification Number:
014868291

Description:
SCREW,CAP,HEXAGON HEAD

Detail:
An externally threaded fastener designed for insertion into holes in assembled parts, for mating with a preformed internal thread and for tightening or releasing by torquing the head. The threaded and unthreaded portions are both of the same nominal diameter of 0.190 inch (5 mm) or larger. Head dimensions and sizes of threaded and unthreaded portions shall conform to internationally recognized fastener standards. The thread length being the controlled dimension, the grip length is not specified. A locking feature may be incorporated in the design of the head or threads. Excludes BOLT, MACHINE; BOLT, EXTERNALLY RELIEVED BODY; BOLT, INTERNAL WRENCHING; and SCREW, CAP, SOCKET HEAD.


Manufacturer Information:
B1821AH038C300N80204AMERICAN NATIONAL STANDARDS INSTITUTE INCORPORATED


Techincal Specification:
FASTENER LENGTH3.000 INCHES NOMINAL
HEAD HEIGHT0.226 INCHES MINIMUM AND 0.243 INCHES MAXIMUM
HEAD STYLEHEXAGON
MATERIAL DOCUMENT AND CLASSIFICATIONASTM A354 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL OVERALL
NOMINAL THREAD DIAMETER0.375 INCHES
SPECIFICATION/STANDARD DATA80204-B1821 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
WIDTH BETWEEN FLATS0.551 INCHES MINIMUM AND 0.562 INCHES MAXIMUM
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416, TYPE II, CLASS 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTCADMIUM OVERALL
THREAD DIRECTIONRIGHT-HAND
THREAD CLASS2A
THREAD LENGTH1.000 INCHES NOMINAL
THREAD SERIES DESIGNATORUNC
THREAD QUANTITY PER INCH16


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