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National Stock Number:
5305-01-387-2219
Federal Supply Class:
5305
National Item Identification Number:
013872219
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:
| 138K0078 | 5RQL2 | DRS ENVIRONMENTAL SYSTEMS INC | | 138K0078 | 94833 | KECO INDUSTRIES INC. | | CL-21-SHS-S | 99862 | CARR LANE MANUFACTURING CO |
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Techincal Specification:
| FASTENER LENGTH | 1.593 INCHES NOMINAL | | HEAD DIAMETER | 1.130 INCHES NOMINAL | | HEAD HEIGHT | 0.380 INCHES NOMINAL | | HEAD STYLE | KNURLED NO. 1 | | MATERIAL | STEEL CORROSION RESISTING OVERALL | | POINT LENGTH | 0.422 INCHES NOMINAL | | POINT SWIVEL INCLUDED ANGLE | 20.0 DEGREES NOMINAL | | POINT STYLE | UNIVERSAL | | POINT DIAMETER | 0.500 INCHES NOMINAL | | PROPRIETARY CHARACTERISTICS | PACS | | NOMINAL THREAD DIAMETER | 0.312 INCHES | | THREAD CLASS | 2A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.984 INCHES NOMINAL | | THREAD QUANTITY PER INCH | 18 | | THREAD SERIES DESIGNATOR | UNC |
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