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National Stock Number: 5305-01-163-8242
Federal Supply Class: 5305
National Item Identification Number: 011638242
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:
6D1746 | 11083 | CATERPILLAR INC |
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Techincal Specification:
FASTENER LENGTH | 1.300 INCHES MINIMUM AND 1.320 INCHES MAXIMUM | HEAD HEIGHT | 0.800 INCHES MINIMUM AND 0.820 INCHES MAXIMUM | MATERIAL DOCUMENT AND CLASSIFICATION | 1E424-B,FSCM 11083 MFR REF SINGLE MATERIAL RESPONSE OVERALL | MATERIAL | IRON CAST OVERALL | POINT LENGTH | 0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM | POINT STYLE | CONE | PROPRIETARY CHARACTERISTICS | PACS | NOMINAL THREAD DIAMETER | 0.500 INCHES | WIDTH BETWEEN FLATS | 1.490 INCHES MINIMUM AND 1.510 INCHES MAXIMUM | THREAD CLASS | 2A | THREAD DIRECTION | RIGHT-HAND | THREAD LENGTH | 0.830 INCHES MINIMUM AND 0.850 INCHES MAXIMUM | THREAD QUANTITY PER INCH | 13 | THREAD SERIES DESIGNATOR | UNC |
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