|
|
|
National Stock Number:
5305-99-331-8238
Federal Supply Class:
5305
National Item Identification Number:
993318238
Description:
THUMBSCREW
Detail:
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).
|
Manufacturer Information:
| 568/4/24482/041 | K2523 | EATON LIMITED |
|
Techincal Specification:
| FASTENER LENGTH | 0.859 INCHES MINIMUM AND 0.891 INCHES MAXIMUM | | HARDNESS RATING | 39.0 ROCKWELL C MINIMUM AND 43.0 ROCKWELL C MAXIMUM | | HEAD DIAMETER | 0.375 INCHES MAXIMUM | | HEAD HEIGHT | 0.250 INCHES MAXIMUM | | HEAD STYLE | KNURLED NO. 1 | | MATERIAL | STEEL OVERALL | | III PART NAME ASSIGNED BY CONTROLLING AGENCY | TRANSIT SCREW | | NOMINAL THREAD DIAMETER | 0.250 INCHES | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.859 INCHES MINIMUM AND 0.891 INCHES MAXIMUM | | THREAD QUANTITY PER INCH | 28 | | THREAD SERIES DESIGNATOR | UNF |
|
|