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National Stock Number:
5305-01-099-9507
Federal Supply Class:
5305
National Item Identification Number:
010999507
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:
| 16U14519-51 | 81755 | LOCKHEED MARTIN CORPORATION |
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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 | 0.168 INCHES NOMINAL | | FASTENER LENGTH | 0.230 INCHES NOMINAL | | MATERIAL | STEEL COMP 321 OVERALL | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-763 COND A FED SPEC SINGLE MATERIAL RESPONSE OVERALL | | HEAD STYLE | KNURLED NO. 6 | | HEAD DIAMETER | 0.250 INCHES NOMINAL | | HEAD HEIGHT | 1.000 INCHES NOMINAL | | POINT STYLE | FLAT | | POINT LENGTH | 0.030 INCHES NOMINAL | | POINT CHAMFER ANGLE | 90.0 DEGREES NOMINAL | | EXTERNALLY RELIEVED BODY DIAMETER QUANTITY | 1 | | FIRST DIAMETER FROM HEAD | 0.074 INCHES NOMINAL | | DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER | 0.062 INCHES NOMINAL | | THE MANUFACTURERS DATA | | | MANUFACTURERS CODE | 81755 | | DESIGN CONTROL REFERENCE | 16U14519-51 |
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