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National Stock Number:
5305-00-416-9493
Federal Supply Class:
5305
National Item Identification Number:
004169493
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:
| CL40SHS | 99862 | CARR LANE MANUFACTURING CO |
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Techincal Specification:
| FASTENER LENGTH | 3.094 INCHES NOMINAL | | HEAD DIAMETER | 1.000 INCHES NOMINAL | | HEAD HEIGHT | 0.312 INCHES NOMINAL | | HEAD STYLE | KNURLED NO. 1 | | MATERIAL DOCUMENT AND CLASSIFICATION | SAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL COMP 1213 OVERALL | | NOMINAL THREAD DIAMETER | 0.250 INCHES | | POINT CHAMFER ANGLE | 45.0 DEGREES NOMINAL | | POINT DIAMETER | 0.375 INCHES NOMINAL | | POINT LENGTH | 0.359 INCHES NOMINAL | | POINT STYLE | UNIVERSAL | | POINT SWIVEL INCLUDED ANGLE | 20.0 DEGREES NOMINAL | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TY 2,CL 3 FED SPEC ALL TREATMENT RESPONSES OVERALL | | SURFACE TREATMENT | CADMIUM AND CHROMATE OVERALL | | THREAD CLASS | 2A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 2.609 INCHES MINIMUM | | THREAD QUANTITY PER INCH | 20 | | THREAD SERIES DESIGNATOR | UNIFIED NATIONAL COARSE (UNC) |
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