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National Stock Number:
5305-01-005-3188
Federal Supply Class:
5305
National Item Identification Number:
010053188
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:
| 3323306 | 82577 | RAYTHEON COMPANY |
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Techincal Specification:
| FASTENER LENGTH | 1.550 INCHES NOMINAL | | NOMINAL THREAD DIAMETER | 0.250 INCHES | | POINT LENGTH | 0.240 INCHES NOMINAL | | POINT DIAMETER | 0.187 INCHES NOMINAL | | SPECIAL FEATURES | WITH 0.048 IN. DIA HOLE DRILLED THRU SHANK,1.340 IN. FROM HEAD | | THREAD CLASS | 2A | | THREAD LENGTH | 0.800 INCHES NOMINAL | | THREAD QUANTITY PER INCH | 28 | | THREAD SERIES DESIGNATOR | UNF |
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