|
|
|
National Stock Number:
5305-00-550-0655
Federal Supply Class:
5305
National Item Identification Number:
005500655
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:
| 8227655 | 19200 | US ARMY ARDEC RDECOM |
|
Techincal Specification:
| FASTENER LENGTH | 3.000 INCHES NOMINAL | | HEAD HEIGHT | 1.000 INCHES NOMINAL | | HEAD STYLE | THUMB NO. 4 | | MATERIAL | STEEL OVERALL | | NOMINAL THREAD DIAMETER | 0.500 INCHES | | POINT STYLE | FLAT | | SPECIAL FEATURES | SEMIGLOSS BLACK HEAD | | WIDTH BETWEEN FLATS | 1.500 INCHES NOMINAL | | SURFACE TREATMENT | ZINC THREADS | | SURFACE TREATMENT | PAINT HEAD | | THREAD CLASS | 2A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 3.000 INCHES MINIMUM | | THREAD QUANTITY PER INCH | 13 | | THREAD SERIES DESIGNATOR | UNC |
|
|