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National Stock Number:
5305-01-454-9566
Federal Supply Class:
5305
National Item Identification Number:
014549566
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:
| 2882536 | 10001 | NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER |
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Techincal Specification:
| DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER | 0.180 INCHES NOMINAL | | DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF SECOND DIAMETER | 0.560 INCHES NOMINAL | | EXTERNALLY RELIEVED BODY DIAMETER QUANTITY | 2 | | FASTENER LENGTH | 1.060 INCHES NOMINAL | | FIRST DIAMETER FROM HEAD | 0.185 INCHES NOMINAL | | HEAD DIAMETER | 0.380 INCHES NOMINAL | | HEAD HEIGHT | 0.350 INCHES NOMINAL | | HEAD STYLE | KNURLED NO. 1 | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-764 FED SPEC SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL COMP 303 OVERALL | | NOMINAL THREAD DIAMETER | 0.190 INCHES | | POINT STYLE | CONE | | SECOND DIAMETER FROM HEAD | 0.125 INCHES MINIMUM AND 0.130 INCHES MAXIMUM | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-STD-171 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL | | SURFACE TREATMENT | OXIDE OVERALL | | THREAD CLASS | 2A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.500 INCHES NOMINAL | | THREAD QUANTITY PER INCH | 32 | | THREAD SERIES DESIGNATOR | UNF |
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