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National Stock Number:
5305-01-340-3457
Federal Supply Class:
5305
National Item Identification Number:
013403457
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:
| 636185-57 | 96421 | DEPARTMENT OF THE NAVY COMMANDING OFFICER NAVAL AVIATION DEPOT |
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Techincal Specification:
| THREAD SERIES DESIGNATOR | UNC | | NOMINAL THREAD DIAMETER | 0.500 INCHES | | THREAD CLASS | 2A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.500 INCHES NOMINAL | | FASTENER LENGTH | 2.900 INCHES NOMINAL | | MATERIAL | STEEL COMP 630 OVERALL | | HEAD STYLE | KNURLED NO. 2 | | HEAD DIAMETER | 2.000 INCHES NOMINAL | | HEAD HEIGHT | 1.250 INCHES NOMINAL | | POINT STYLE | FLAT | | FSC APPLICATION DATA | BORESIGHT EQUIP | | PART NAME ASSIGNED BY CONTROLLING AGENCY | NAVY SPECIAL PROJECT |
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