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National Stock Number:
5305-00-026-8754
Federal Supply Class:
5305
National Item Identification Number:
000268754
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:
| 1592-1102P1 | 3B150 | RAYTHEON COMPANY | | 1592-1102P1 | 49956 | RAYTHEON COMPANY | | 1592-1102P1 | 94144 | RAYTHEON COMPANY |
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Techincal Specification:
| FASTENER LENGTH | 1.259 INCHES NOMINAL | | HEAD DIAMETER | 0.562 INCHES NOMINAL | | HEAD HEIGHT | 0.312 INCHES NOMINAL | | HEAD STYLE | KNURLED NO. 1 | | MATERIAL | STEEL CORROSION RESISTING OVERALL | | NOMINAL THREAD DIAMETER | 0.190 INCHES | | POINT STYLE | CONE | | SURFACE TREATMENT | PASSIVATE OVERALL | | THREAD CLASS | 2A | | THREAD LENGTH | 0.250 INCHES MINIMUM | | THREAD DIRECTION | RIGHT-HAND | | THREAD SERIES DESIGNATOR | UNC | | THREAD QUANTITY PER INCH | 24 |
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