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National Stock Number:
5305-00-078-9658
Federal Supply Class:
5305
National Item Identification Number:
000789658
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:
| 757-8422-001 | 13499 | ROCKWELL COLLINS, INC. |
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Techincal Specification:
| FASTENER LENGTH | 1.344 INCHES NOMINAL | | HEAD DIAMETER | 0.281 INCHES NOMINAL | | HEAD HEIGHT | 0.625 INCHES NOMINAL | | HEAD STYLE | KNURLED NO. 1 | | MATERIAL | STEEL CORROSION RESISTING OVERALL | | NOMINAL THREAD DIAMETER | 0.112 INCHES | | PART NAME ASSIGNED BY CONTROLLING AGENCY | NAVY SPECIAL PROJECT | | POINT STYLE | FLAT | | SPECIAL FEATURES | UNDERCUT UNTHREADED PORTION 0.085 IN. DIA 0.312 IN. LONG | | SURFACE TREATMENT | PASSIVATE OVERALL | | THREAD CLASS | 2A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.407 INCHES MINIMUM | | THREAD QUANTITY PER INCH | 40 | | THREAD SERIES DESIGNATOR | UNC |
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