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National Stock Number:
5305-01-349-8140
Federal Supply Class:
5305
National Item Identification Number:
013498140
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:
| 3650546-1 | 99193 | HONEYWELL INTERNATIONAL INC. |
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Techincal Specification:
| POINT LENGTH | 0.178 INCHES MINIMUM AND 0.188 INCHES MAXIMUM | | POINT STYLE | BALL | | SPECIAL FEATURES | MADE FROM P/NBR CL-8-KHS | | THREAD CLASS | 2A | | THREAD DIRECTION | RIGHT-HAND | | THREAD SERIES DESIGNATOR | UNC | | FASTENER LENGTH | 1.875 INCHES MINIMUM AND 1.937 INCHES MAXIMUM | | HEAD DIAMETER | 1.125 INCHES NOMINAL | | HEAD STYLE | KNURLED NO. 4 | | NOMINAL THREAD DIAMETER | 0.312 INCHES | | THREAD QUANTITY PER INCH | 18 |
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