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National Stock Number:
5305-01-229-7998
Federal Supply Class:
5305
National Item Identification Number:
012297998
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:
| 17208-1 | 01226 | HUTCHINSON AEROSPACE & INDUSTRY, INC. | | 17208-1 | 07070 | NAVY, UNITED STATES DEPARTMENT OF THE DBA NAVAL SURFACE WARFARE CENTER PANAMA CITY |
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Techincal Specification:
| THREAD SERIES DESIGNATOR | UNC | | NOMINAL THREAD DIAMETER | 0.500 INCHES | | THREAD QUANTITY PER INCH | 13 | | THREAD CLASS | 2A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.875 INCHES NOMINAL | | MATERIAL | STEEL CORROSION RESISTING OVERALL | | HEAD STYLE | KNURLED NO. 4 | | HEAD DIAMETER | 1.000 INCHES NOMINAL | | POINT STYLE | BALL | | POINT LENGTH | 0.250 INCHES NOMINAL | | SPECIAL FEATURES | FURNISHED WITH PELLET TYPE LOCKING ELEMENT ON THREADS |
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