National Item Identification Number
00-004-4213
000044213
5305-00-004-4213
5305000044213
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)
U1653
SOCIETY OF BRITISH AEROSPACE COMPANI
LTD
DUXBURY HOUSE 60 PETTY FRANCE
VICTORIA LONDON
SW1H 9EU
UNITED KINGDOM
020 7227 1000
Reference Numbers (Part Numbers)
AS13512
Required Categories
THREAD SERIES DESIGNATOR
NOMINAL THREAD DIAMETER
THREAD QUANTITY PER INCH
THR
Required Description
UNF
0.250 INCHES
28
2A
RIGHT-HAND
0.679 INCHES MINIMUM AND
0.750 INCHES MA