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National Stock Number:
5305-01-356-8629
Federal Supply Class:
5305
National Item Identification Number:
013568629
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:
| 3661801-1 | 99193 | HONEYWELL INTERNATIONAL INC. |
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Techincal Specification:
| THREAD SERIES DESIGNATOR | UNC | | NOMINAL THREAD DIAMETER | 0.250 INCHES | | THREAD QUANTITY PER INCH | 20 | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.990 INCHES MINIMUM AND | | 1.000 INCHES MAXIMUM | | FASTENER LENGTH | 1.500 INCHES NOMINAL | | MATERIAL | STEEL CORROSION RESISTING OVERALL | | HEAD STYLE | KNURLED NO. 1 | | HEAD DIAMETER | 1.000 INCHES NOMINAL | | HEAD HEIGHT | 0.190 INCHES NOMINAL | | POINT STYLE | CHAMFER DOG | | POINT LENGTH | 0.300 INCHES MINIMUM AND | | 0.320 INCHES MAXIMUM | | POINT DIAMETER | 0.160 INCHES MINIMUM AND | | 0.165 INCHES MAXIMUM | | POINT CHAMFER ANGLE | 90.0 DEGREES NOMINAL | | SPECIAL FEATURES | 60 DEGREE RADIUS GROVE,0.080 INCHDIAMETER,0.170 INCHES FROM THREAD ENDTO CENTER OF GROVE; ALTERED ITEM MADE FROM CL-23515,CAGE 99862; NEXT ASSY 3661321 |
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