|
|
|
National Stock Number:
5305-01-449-0509
Federal Supply Class:
5305
National Item Identification Number:
014490509
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:
| CTS230B-7 | 76301 | THE BOEING COMPANY | | RE168350010-196 | 76301 | THE BOEING COMPANY |
|
Techincal Specification:
| FASTENER LENGTH | 1.660 INCHES MINIMUM AND 1.860 INCHES MAXIMUM | | HEAD DIAMETER | 0.875 INCHES MINIMUM AND 1.125 INCHES MAXIMUM | | HEAD HEIGHT | 0.312 INCHES MINIMUM AND 0.438 INCHES MAXIMUM | | HEAD STYLE | KNURLED NO. 4 | | MATERIAL | STEEL OVERALL | | PROPRIETARY CHARACTERISTICS | PACS | | NOMINAL THREAD DIAMETER | 0.312 INCHES | | THREAD CLASS | 2A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 1.660 INCHES MINIMUM AND 1.860 INCHES MAXIMUM | | THREAD QUANTITY PER INCH | 18 | | THREAD SERIES DESIGNATOR | UNC |
|
|