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National Stock Number:
5305-01-407-0277
Federal Supply Class:
5305
National Item Identification Number:
014070277
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:
| 6085K13 | 39428 | MCMASTER-CARR SUPPLY CO | | HKS-3117A | 97557 | MORTON MACHINE WORKS |
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Techincal Specification:
| COLOR | BLACK THREADS | | FASTENER LENGTH | 1.750 INCHES NOMINAL | | HEAD HEIGHT | 1.000 INCHES NOMINAL | | HEAD STYLE | PALM GRIP | | MATERIAL | ALUMINUM ALLOY HEAD | | MATERIAL | STEEL FASTENER | | NOMINAL THREAD DIAMETER | 0.312 INCHES | | WIDTH BETWEEN FLATS | 2.000 INCHES NOMINAL | | SURFACE TREATMENT | OXIDE FASTENER | | THREAD CLASS | 2A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 1.639 INCHES MINIMUM AND 1.750 INCHES MAXIMUM | | THREAD SERIES DESIGNATOR | UNIFIED NATIONAL COARSE (UNC) | | THREAD QUANTITY PER INCH | 18 |
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