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National Stock Number:
5305-01-504-6236
Federal Supply Class:
5305
National Item Identification Number:
015046236
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:
| 13608002 | 18876 | U S ARMY AVIATION AND MISSILE COMMAND |
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Techincal Specification:
| FASTENER LENGTH | 2.039 INCHES MINIMUM AND 2.059 INCHES MAXIMUM | | HEAD DIAMETER | 0.187 INCHES NOMINAL | | HEAD HEIGHT | 0.600 INCHES NOMINAL | | HEAD STYLE | KNURLED NO. 1 | | MATERIAL | STEEL OVERALL | | NOMINAL THREAD DIAMETER | 0.112 INCHES | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.172 INCHES MINIMUM AND 0.182 INCHES MAXIMUM | | THREAD CLASS | 2A | | THREAD SERIES DESIGNATOR | UNC | | THREAD QUANTITY PER INCH | 40 |
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