National Item Identification Number
01-250-2491
012502491
5305-01-250-2491
5305012502491
National Stock Number
Item Name
THUMBSCREW
Federal Supply Class
5305
Description
An externally threaded fastener whose threaded portion is of one nominal diameter. It may have an unthreaded portion with a diameter less than, equal to, or greater than the diameter of the threaded portion. It has either a vertically flattened, circular knurled, or wing type head, all of which are designed for rotation by the thumb and fingers. For items having wrenching facilities such as socket recess, multiple spline or slot heads, use SCREW (as modified) or BOLT (as modified).
Commercial and Government Entity Code (Supplier Data)
09205
31095
Reference Numbers (Part Numbers)
240784
240784
Required Categories
THREAD SERIES DESIGNATOR
NOMINAL THREAD DIAMETER
THREAD QUANTITY PER INCH
THR
Required Description
UNRC
0.112 INCHES
40
3A
RIGHT-HAND
0.270 INCHES NOMINAL
0.600 INCHES NOMIN
