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National Stock Number:
5305-00-175-1448
Federal Supply Class:
5305
National Item Identification Number:
001751448
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:
| 3206136-1 | 56949 | SPACE AGE ENGINEERING, INC | | 3206136-1 | 82577 | RAYTHEON COMPANY | | 3206136-1 | 8Z217 | DELGA PROTOTYPE & PRECISION MACHINING |
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Techincal Specification:
| THREAD SERIES DESIGNATOR | UNC | | NOMINAL THREAD DIAMETER | 0.112 INCHES | | THREAD QUANTITY PER INCH | 40 | | THREAD CLASS | 2A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.250 INCHES MAXIMUM | | FASTENER LENGTH | 1.030 INCHES NOMINAL | | MATERIAL | STEEL COMP 630 OVERALL | | MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5643 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | HEAD STYLE | KNURLED NO. 1 | | HEAD DIAMETER | 0.190 INCHES NOMINAL | | HEAD HEIGHT | 0.500 INCHES NOMINAL | | POINT STYLE | FLAT | | EXTERNALLY RELIEVED BODY DIAMETER QUANTITY | 1 | | FIRST DIAMETER FROM HEAD | 0.075 INCHES MINIMUM AND | | 0.085 INCHES MAXIMUM | | DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER | 0.780 INCHES NOMINAL | | PART NAME ASSIGNED BY CONTROLLING AGENCY | NAVY SPECIAL PROJECT |
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