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National Stock Number:
5305-01-381-3888
Federal Supply Class:
5305
National Item Identification Number:
013813888
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:
| CL-6-SHS | 99862 | CARR LANE MANUFACTURING CO | | PWA56300-15 | 77445 | RTX CORPORATION | | PWA56300-15 | 99862 | CARR LANE MANUFACTURING CO |
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Techincal Specification:
| THREAD SERIES DESIGNATOR | UNC | | NOMINAL THREAD DIAMETER | 0.312 INCHES | | THREAD QUANTITY PER INCH | 18 | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 1.812 INCHES NOMINAL | | FASTENER LENGTH | 2.000 INCHES NOMINAL | | MATERIAL | STEEL OVERALL | | MATERIAL DOCUMENT AND CLASSIFICATION | 12L14, CAGEC 99862 MFR REF SINGLE MATERIAL RESPONSE OVERALL | | SURFACE TREATMENT | ZINC AND | | CHROMATE OVERALL | | COLOR | YELLOW OVERALL | | HEAD STYLE | KNURLED NO. 5 | | HEAD DIAMETER | 1.125 INCHES NOMINAL | | HEAD HEIGHT | 0.375 INCHES NOMINAL | | POINT STYLE | UNIVERSAL | | POINT LENGTH | 0.344 INCHES NOMINAL | | POINT DIAMETER | 0.250 INCHES NOMINAL | | POINT SWIVEL INCLUDED ANGLE | 20.0 DEGREES NOMINAL |
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