National Item Identification Number
01-047-8818
010478818
5305-01-047-8818
5305010478818
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)
07482
07842
PENN SCIENTIFIC PRODUCTS COMPANY INC
1000 OLD YORK RD
ABINGTON
PA
19001
215-887-0375
59954
MAR-CON TOOL CO
2301 ARBOR BLVD
DAYTON
OH
45439
937-299-2244
63259
8Z161
DANVERS ENGINEERING CO INC
88 HOLTEN ST
DANVERS
MA
01923
978-774-7501
Reference Numbers (Part Numbers)
21C5237P17
21C5237P17
21C5237P17
21C5237P17
21C5237P17
Required Categories
THREAD SERIES DESIGNATOR
NOMINAL THREAD DIAMETER
THREAD QUANTITY PER INCH
THR
Required Description
UNC
0.250 INCHES
20
2A
RIGHT-HAND
0.380 INCHES MINIMUM AND
0.390 INCHES MA