4810-01-397-4895 DISK,VALVE Index 6110-01-397-4897 RESETTING DEVICE,POWER,ELECTRIC

National Stock Number:
5305-01-397-4896

Federal Supply Class:
5305

National Item Identification Number:
013974896

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:
2-3-2130A7U4BRAY INTERNATIONAL INC. DBA ULTRAFLO


Techincal Specification:
FASTENER LENGTH0.790 INCHES NOMINAL
FEATURES PROVIDEDO RING
HEAD HEIGHT0.150 INCHES NOMINAL
HEAD STYLEHEXAGON
MATERIALSTEEL COMP 316 OVERALL
NOMINAL THREAD DIAMETER0.250 INCHES
THREAD CLASS2A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.436 INCHES NOMINAL
THREAD QUANTITY PER INCH20
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC)
WIDTH BETWEEN FLATS0.432 INCHES NOMINAL


Click here to Register for Free 30-day Trial