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National Stock Number:
5305-00-492-2315
Federal Supply Class:
5305
National Item Identification Number:
004922315
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:
| 211-0634-00 | 80009 | TEKTRONIX, INC. |
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Techincal Specification:
| FASTENER LENGTH | 0.600 INCHES NOMINAL | | HEAD DIAMETER | 0.375 INCHES NOMINAL | | HEAD HEIGHT | 0.250 INCHES NOMINAL | | HEAD STYLE | KNURLED NO. 1 | | MATERIAL DOCUMENT AND CLASSIFICATION | ASTM B16,1/2 H ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | COPPER ALLOY 360 OVERALL | | NOMINAL THREAD DIAMETER | 0.138 INCHES | | POINT STYLE | POINTLESS | | SHOULDER DIAMETER | 0.202 INCHES MINIMUM AND 0.208 INCHES MAXIMUM FIRST SHOULDER | | SHOULDER LENGTH | 0.230 INCHES NOMINAL FIRST SHOULDER | | SHOULDER SHAPE | ROUND FIRST SHOULDER | | SPECIAL FEATURES | WITH 0.155 IN. MIN 0.158 IN. MAX DIA AXIAL HOLE 0.400 IN. DEEP AT HEAD END | | SURFACE TREATMENT | COPPER AND TIN AND ZINC OVERALL | | THREAD CLASS | 2A | | THREAD LENGTH | 0.230 INCHES MINIMUM | | THREAD DIRECTION | RIGHT-HAND | | THREAD QUANTITY PER INCH | 32 | | THREAD SERIES DESIGNATOR | UNC |
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