|
|
|
National Stock Number:
5305-00-319-7899
Federal Supply Class:
5305
National Item Identification Number:
003197899
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:
| 5222698 | 19206 | ARMY, UNITED STATES DEPARTMENT OF THE BUSINESS DEVELOPMENT DBA WATERVLIET ARSENAL |
|
Techincal Specification:
| FASTENER LENGTH | 1.031 INCHES NOMINAL | | HEAD HEIGHT | 0.908 INCHES NOMINAL | | HEAD STYLE | WING NO. 2 | | MATERIAL DOCUMENT AND CLASSIFICATION | 66 FED STD ALL MATERIAL RESPONSES OVERALL | | MATERIAL | STEEL COMP 1010 OR STEEL COMP 1020 OVERALL | | NOMINAL THREAD DIAMETER | 0.375 INCHES | | POINT LENGTH | 0.281 INCHES NOMINAL | | POINT STYLE | CHAMFER DOG | | POINT CHAMFER ANGLE | 45.0 DEGREES NOMINAL | | POINT DIAMETER | 0.246 INCHES MINIMUM AND 0.248 INCHES MAXIMUM | | WIDTH BETWEEN FLATS | 1.688 INCHES NOMINAL | | SURFACE TREATMENT | PHOSPHATE OVERALL | | THREAD DIRECTION | RIGHT-HAND | | THREAD CLASS | 2A | | THREAD LENGTH | 0.406 INCHES MINIMUM | | THREAD SERIES DESIGNATOR | UNF | | THREAD QUANTITY PER INCH | 24 |
|
|