1560-01-621-6442 PLATE,STRUCTURAL,AIRCRAFT 5340-01-621-4174 PLATE,MOUNTING

National Stock Number:
5305-01-621-8394

Federal Supply Class:
5305

National Item Identification Number:
016218394

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:
92316A72639428MCMASTER-CARR SUPPLY CO
92316A72697852STAR STAINLESS SCREW CO


Techincal Specification:
EXTENDED WASHER DIAMETER1.078 INCHES NOMINAL
FASTENER LENGTH1.25 INCHES MINIMUM AND 1.87 INCHES MAXIMUM
HEAD HEIGHT0.515 INCHES NOMINAL
HEAD STYLECHAMFER FLANGE
MATERIALSTEEL OVERALL
NOMINAL THREAD DIAMETER0.50 INCHES
SPECIAL FEATURESOEM IS NATIONAL THREADED FASTENERS P/N50C350BFL8P
THREAD CLASS2A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH1.25 INCHES MINIMUM AND 1.87 INCHES MAXIMUM
THREAD QUANTITY PER INCH13
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC)
WIDTH BETWEEN FLATS0.75 INCHES NOMINAL


Click here to Register for Free 30-day Trial