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National Stock Number:
5305-00-450-5725
Federal Supply Class:
5305
National Item Identification Number:
004505725
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).
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Manufacturer Information:
| 8644315 | 19200 | US ARMY ARDEC RDECOM |
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Techincal Specification:
| FASTENER LENGTH | 1.188 INCHES NOMINAL | | HEAD HEIGHT | 0.312 INCHES NOMINAL | | HEAD DIAMETER | 1.000 INCHES NOMINAL | | HEAD STYLE | KNURLED NO. 1 | | MATERIAL DOCUMENT AND CLASSIFICATION | ASTM A582 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL CORROSION RESISTING OVERALL | | NOMINAL THREAD DIAMETER | 0.250 INCHES | | POINT STYLE | FLAT | | THREAD DIRECTION | RIGHT-HAND | | THREAD CLASS | 2A | | THREAD LENGTH | 0.875 INCHES NOMINAL | | THREAD SERIES DESIGNATOR | UNS | | THREAD QUANTITY PER INCH | 40 |
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