5305-01-555-4106 THUMBSCREW Index 5305-01-556-6634 SCREW,CAP,HEXAGON HEAD

National Stock Number:
5305-01-555-8589

Federal Supply Class:
5305

National Item Identification Number:
015558589

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:
2642-992-01ITEM1296169ELECTRIC BOAT CORPORATION
845-4687555ITEM1280064NAVAL SHIP SYSTEMS COMMAND


Techincal Specification:
FASTENER LENGTH0.750 INCHES NOMINAL
NOMINAL THREAD DIAMETER0.250 INCHES
SPECIAL FEATURESACCUMULATOR 200 AND 400 CU IN ASSY
PART NAME ASSIGNED BY CONTROLLING AGENCYSCREW, CAP
THREAD CLASS3A
THREAD QUANTITY PER INCH20
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC)


Click here to Register for Free 30-day Trial