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National Stock Number:
5305-01-416-7338
Federal Supply Class:
5305
National Item Identification Number:
014167338
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:
| 19832-07 | 57163 | L.S. STARRETT COMPANY (THE) | | 6845-01-0020 ITEM 4 | 14590 | VERIDIAN ENGINEERING INC |
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Techincal Specification:
| NOMINAL THREAD DIAMETER | 0.164 INCHES | | THREAD QUANTITY PER INCH | 32 | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.375 INCHES NOMINAL | | FASTENER LENGTH | 0.844 INCHES NOMINAL | | MATERIAL | COPPER ALLOY OVERALL | | HEAD STYLE | KNURLED NO. 1 | | HEAD DIAMETER | 0.500 INCHES NOMINAL | | HEAD HEIGHT | 0.500 INCHES NOMINAL | | EXTERNALLY RELIEVED BODY DIAMETER QUANTITY | 1 | | FIRST DIAMETER FROM HEAD | 0.125 INCHES NOMINAL | | DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER | 0.469 INCHES NOMINAL | | SPECIAL FEATURES | LONGITUDINAL HOLE IN HEAD, 0.157-40 THREAD X 0.380 IN. DEEP |
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