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National Stock Number:
5305-01-072-4455
Federal Supply Class:
5305
National Item Identification Number:
010724455
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:
| 12280482 | 19200 | US ARMY ARDEC RDECOM |
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Techincal Specification:
| THREAD SERIES DESIGNATOR | UNC | | NOMINAL THREAD DIAMETER | 0.375 INCHES | | THREAD QUANTITY PER INCH | 16 | | THREAD CLASS | 2A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 1.620 INCHES NOMINAL | | FASTENER LENGTH | 1.750 INCHES NOMINAL | | MATERIAL | STEEL COMP 1015 OR | | STEEL COMP 1025 OVERALL | | MATERIAL DOCUMENT AND CLASSIFICATION | ASTM A108 ASSN STD ALL MATERIAL RESPONSES OR | | ASTM A576 ASSN STD ALL MATERIAL RESPONSES OVERALL | | SURFACE TREATMENT | CADMIUM OVERALL | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-STD-171 MIL STD SINGLE TREATMENT RESPONSE OVERALL | | HEAD STYLE | KNURLED NO. 1 | | HEAD DIAMETER | 1.120 INCHES NOMINAL | | HEAD HEIGHT | 0.310 INCHES NOMINAL | | POINT STYLE | OVAL | | FEATURES PROVIDED | CASEHARDENED |
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