National Item Identification Number
01-114-5145
011145145
5305-01-114-5145
5305011145145
National Stock Number
Item Name
SCREW,CAP,HEXAGON HEAD
Federal Supply Class
5305
Description
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.
Commercial and Government Entity Code (Supplier Data)
25685
NAVAL SHIP ENGINEERING CENTER
PHILADELPHIA DIVISION
PHILADELPHIA
PA
19112
215-226-6858
D9182
Reference Numbers (Part Numbers)
FF-S-85
SS426-4491146-PIECE 16
4491146-F-16
Required Categories
THREAD SERIES DESIGNATOR
NOMINAL THREAD DIAMETER
THREAD QUANTITY PER INCH
THR
Required Description
UNF
0.500 INCHES
20
3A
RIGHT-HAND
1.250 INCHES MINIMUM
1.946 INCHES MINIMU