6210-01-484-5539 PANEL,INDICATING,LIGHT TRANSMITT Index 5998-01-484-5541 BACKPLANE ASSEMBLY

National Stock Number:
5305-01-484-5540

Federal Supply Class:
5305

National Item Identification Number:
014845540

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:
12449378-219207U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM


Techincal Specification:
FASTENER LENGTH4.500 INCHES NOMINAL
HEAD HEIGHT0.630 INCHES NOMINAL
HEAD STYLEHEXAGON
MATERIALSTEEL OVERALL
NOMINAL THREAD DIAMETER1.000 INCHES
WIDTH BETWEEN FLATS1.500 INCHES NOMINAL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONASTMB633 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTZINC OVERALL
THREAD CLASS2A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH1.750 INCHES NOMINAL
THREAD SERIES DESIGNATORUNC
THREAD QUANTITY PER INCH14


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