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National Stock Number:
5305-01-354-8767
Federal Supply Class:
5305
National Item Identification Number:
013548767
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:
| 9455M66P05 | 07482 | GENERAL ELECTRIC COMPANY |
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Techincal Specification:
| FASTENER LENGTH | 1.700 INCHES NOMINAL | | HEAD DIAMETER | 0.620 INCHES NOMINAL | | HEAD HEIGHT | 0.375 INCHES NOMINAL | | HEAD STYLE | KNURLED NO. 1 | | MATERIAL | STEEL COMP 304 OVERALL | | NOMINAL THREAD DIAMETER | 0.250 INCHES | | PART NAME ASSIGNED BY CONTROLLING AGENCY | NAVY SPECIAL PROJECT | | SPECIAL FEATURES | HAS THREADED AREA UNDER BEARING SURFACE OF HEAD .375-16UNC-2A,.450 IN. LG. HEAD HAS .06 CHAMFER 2 PLACES | | THREAD CLASS | 2A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.375 INCHES NOMINAL | | THREAD SERIES DESIGNATOR | UNC | | THREAD QUANTITY PER INCH | 20 |
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