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National Stock Number:
5305-01-098-2658
Federal Supply Class:
5305
National Item Identification Number:
010982658
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:
| 4024378 | 07187 | HONEYWELL INTERNATIONAL INC. |
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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 NOMINAL | | FASTENER LENGTH | 1.920 INCHES NOMINAL | | MATERIAL | STEEL COMP 303 OVERALL | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-764 FED SPEC SINGLE MATERIAL RESPONSE OVERALL | | HEAD STYLE | KNURLED NO. 4 | | HEAD DIAMETER | 0.500 INCHES NOMINAL | | HEAD HEIGHT | 0.400 INCHES NOMINAL | | POINT STYLE | POINTLESS | | SHOULDER SHAPE | ROUND FIRST SHOULDER | | SHOULDER DIAMETER | 0.297 INCHES NOMINAL FIRST SHOULDER | | SHOULDER LENGTH | 1.170 INCHES NOMINAL FIRST SHOULDER | | EXTERNALLY RELIEVED BODY DIAMETER QUANTITY | 1 | | FIRST DIAMETER FROM HEAD | 0.077 INCHES MINIMUM AND | | 0.083 INCHES MAXIMUM | | DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER | 1.670 INCHES NOMINAL | | THE MANUFACTURERS DATA | | | MANUFACTURERS CODE | 07187 | | DESIGN CONTROL REFERENCE | 4024378 |
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