National Item Identification Number
00-198-9420
001989420
5305-00-198-9420
5305001989420
National Stock Number
Item Name
SCREW,CAP,SOCKET HEAD
Federal Supply Class
5305
Description
An externally threaded fastener whose threaded portion is of one nominal diameter. The head has an internal socket or multiple spline for use with an inserted driver. A locking feature may be incorporated in the design of the head or threads. Excludes items with bevel (conical) heads. See BOLT, INTERNAL WRENCHING. Excludes SCREW, SHOULDER; and SCREW, MACHINE.
Commercial and Government Entity Code (Supplier Data)
0B9R9
25500
56878
73842
NSN (National Stock Number) 5305-00-198-9420, 5305001989420 NIIN (National Identification Number) 00-198-9420, 001989420
Part Numbers (Reference Numbers)
GYK4-10
GYK4-10
GYK4-10
GYK4-10
Required Categories
THREAD SERIES DESIGNATOR
NOMINAL THREAD DIAMETER
THREAD QUANTITY PER INCH
THR
Required Description
UNF
0.250 INCHES
28
2A
RIGHT-HAND
0.514 INCHES MINIMUM AND
0.625 INCHES MA