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National Stock Number:
5305-01-354-0882
Federal Supply Class:
5305
National Item Identification Number:
013540882
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:
| CL-50-SHS | 99862 | CARR LANE MANUFACTURING CO |
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Techincal Specification:
| THREAD SERIES DESIGNATOR | UNC | | THREAD QUANTITY PER INCH | 20 | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 2.969 INCHES NOMINAL | | FASTENER LENGTH | 3.094 INCHES NOMINAL | | MATERIAL | STEEL COMP 12L14 OVERALL | | SURFACE TREATMENT | ZINC AND | | CHROMATE OVERALL | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | ASTM B633 TY2 CL FE/ZN 5 ASSN STD SINGLE TREATMENT RESPONSE OVERALL | | HEAD STYLE | KNURLED NO. 1 | | HEAD DIAMETER | 1.000 INCHES NOMINAL | | HEAD HEIGHT | 0.312 INCHES NOMINAL | | POINT STYLE | UNIVERSAL | | POINT LENGTH | 0.312 INCHES NOMINAL | | POINT DIAMETER | 0.250 INCHES NOMINAL | | POINT SWIVEL INCLUDED ANGLE | 20.0 DEGREES NOMINAL | | PART NAME ASSIGNED BY CONTROLLING AGENCY | NAVY SPECIAL PROJECT |
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