National Item Identification Number
00-453-7517
004537517
5305-00-453-7517
5305004537517
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)
23991
LOCKHEED MARTIN CORP
DBA LOCKHEED MARTIN IS&S DIV
230 MALL BLVD
KING OF PRUSSIA
PA
19406
610-354-1505
Reference Numbers (Part Numbers)
68C51574P1
68C51574P1
68C51574P1
Required Categories
THREAD SERIES DESIGNATOR
NOMINAL THREAD DIAMETER
THREAD QUANTITY PER INCH
THR
Required Description
UNF
0.250 INCHES
28
2A
RIGHT-HAND
0.440 INCHES MAXIMUM
1.620 INCHES NOMINA