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National Stock Number:
5305-00-638-6103
Federal Supply Class:
5305
National Item Identification Number:
006386103
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:
| 60-3244 | 81205 | THE BOEING COMPANY |
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Techincal Specification:
| FASTENER LENGTH | 1.750 INCHES NOMINAL | | HEAD HEIGHT | 1.500 INCHES NOMINAL | | HEAD STYLE | THUMB NO. 7 | | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-6758 MIL SPEC SINGLE MATERIAL RESPONSE OR MIL-S-6050 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL COMP 4130 OVERALL | | NOMINAL THREAD DIAMETER | 0.250 INCHES | | POINT STYLE | POINTLESS | | WIDTH BETWEEN FLATS | 2.200 INCHES NOMINAL | | THREAD CLASS | 2A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 1.000 INCHES MINIMUM | | THREAD QUANTITY PER INCH | 28 | | THREAD SERIES DESIGNATOR | UNF |
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