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National Stock Number:
5305-01-017-4100
Federal Supply Class:
5305
National Item Identification Number:
010174100
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:
| CL44SHS | 99862 | CARR LANE MANUFACTURING CO |
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Techincal Specification:
| FASTENER LENGTH | 4.062 INCHES NOMINAL | | HEAD HEIGHT | 0.500 INCHES NOMINAL | | HEAD DIAMETER | 1.250 INCHES NOMINAL | | HEAD STYLE | KNURLED NO. 1 | | MATERIAL | STEEL COMP 1213 OVERALL | | NOMINAL THREAD DIAMETER | 0.500 INCHES | | POINT LENGTH | 0.531 INCHES NOMINAL | | POINT STYLE | UNIVERSAL | | POINT SWIVEL INCLUDED ANGLE | 40.0 DEGREES NOMINAL | | POINT CHAMFER ANGLE | 15.0 DEGREES NOMINAL | | POINT DIAMETER | 0.750 INCHES NOMINAL | | SPECIAL FEATURES | THREADED BALL PERMITTED | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OR MIL-C-13294 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL | | SURFACE TREATMENT | CADMIUM AND CHROMATE OR OXIDE OVERALL | | THREAD CLASS | 2A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 3.487 INCHES NOMINAL | | THREAD SERIES DESIGNATOR | UNC | | THREAD QUANTITY PER INCH | 13 |
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