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National Stock Number:
5305-01-285-5652
Federal Supply Class:
5305
National Item Identification Number:
012855652
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:
| 136734-1 | 37695 | RAYTHEON COMPANY |
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Techincal Specification:
| FASTENER LENGTH | 1.240 INCHES MINIMUM AND 1.260 INCHES MAXIMUM | | HEAD STYLE | THUMB NO. 4 | | PROPRIETARY CHARACTERISTICS | PACS | | NOMINAL THREAD DIAMETER | 0.250 INCHES | | SPECIAL FEATURES | 0.094 IN. HOLE DRILLED 0.220 IN. FROM HEAD ON SHANK | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 1.240 INCHES MINIMUM AND 1.260 INCHES MAXIMUM | | THREAD QUANTITY PER INCH | 20 | | THREAD SERIES DESIGNATOR | UNC |
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