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National Stock Number:
5305-00-196-5147
Federal Supply Class:
5305
National Item Identification Number:
001965147
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:
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Techincal Specification:
| THREAD SERIES DESIGNATOR | UNC | | NOMINAL THREAD DIAMETER | 0.375 INCHES | | THREAD QUANTITY PER INCH | 16 | | THREAD CLASS | 2A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 2.406 INCHES NOMINAL | | FASTENER LENGTH | 3.750 INCHES NOMINAL | | MATERIAL | STEEL COMP 4140 THREADS | | MATERIAL DOCUMENT AND CLASSIFICATION | AISI 4140 ASSN STD SINGLE MATERIAL RESPONSE THREADS | | SURFACE TREATMENT | OXIDE THREADS | | HARDNESS RATING | 36.0 ROCKWELL C MINIMUM AND | | 40.0 ROCKWELL C MAXIMUM THREADS | | HEAD STYLE | THUMB NO. 7 | | HEAD HEIGHT | 1.000 INCHES NOMINAL | | WIDTH BETWEEN FLATS | 1.500 INCHES NOMINAL | | POINT STYLE | UNIVERSAL | | POINT LENGTH | 0.344 INCHES NOMINAL | | POINT DIAMETER | 0.688 INCHES NOMINAL | | POINT SWIVEL INCLUDED ANGLE | 8.0 DEGREES NOMINAL | | SPECIAL FEATURES | ITEM ALSO HAS PLASTIC PAD COVER 4140 H.T. FOR SCREW POINT AND HANDLE | | THE MANUFACTURERS DATA | | | MANUFACTURERS CODE | 94882 | | DESIGN CONTROL REFERENCE | 36302 |
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