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National Stock Number:
5305-01-596-1179
Federal Supply Class:
5305
National Item Identification Number:
015961179
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:
| 23066614-15 | 63005 | ROLLS-ROYCE CORPORATION |
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Techincal Specification:
| FASTENER LENGTH | 2.060 INCHES NOMINAL | | HEAD HEIGHT | 0.280 INCHES NOMINAL | | HEAD STYLE | HEXAGON | | MATERIAL | STEEL COMP 4140 OVERALL | | POINT LENGTH | 0.030 INCHES NOMINAL | | POINT STYLE | FLAT | | POINT CHAMFER ANGLE | 45.0 DEGREES NOMINAL | | PROPRIETARY CHARACTERISTICS | PACS | | NOMINAL THREAD DIAMETER | 0.190 INCHES | | WIDTH BETWEEN FLATS | 0.304 INCHES MINIMUM AND 0.313 INCHES MAXIMUM | | THREAD CLASS | 2A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.500 INCHES NOMINAL | | THREAD QUANTITY PER INCH | 24 | | THREAD SERIES DESIGNATOR | UNC |
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