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National Stock Number:
5305-01-133-0166
Federal Supply Class:
5305
National Item Identification Number:
011330166
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:
| A46220 | 66796 | BRUNSON INSTRUMENT COMPANY | | A46220 | 74067 | KEUFFEL AND ESSER CO |
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Techincal Specification:
| FASTENER LENGTH | 1.094 INCHES MINIMUM AND 1.156 INCHES MAXIMUM | | HEAD HEIGHT | 0.173 INCHES MINIMUM AND 0.203 INCHES MAXIMUM | | HEAD DIAMETER | 0.469 INCHES MINIMUM AND 0.531 INCHES MAXIMUM | | HEAD STYLE | KNURLED NO. 4 | | MATERIAL | COPPER ALLOY OVERALL | | NOMINAL THREAD DIAMETER | 0.164 INCHES | | PART NAME ASSIGNED BY CONTROLLING AGENCY | NAVY SPECIAL PROJECT | | POINT STYLE | FLAT | | THREAD DIRECTION | RIGHT-HAND | | THREAD CLASS | 3A | | THREAD LENGTH | 0.344 INCHES MINIMUM AND 0.406 INCHES MAXIMUM | | THREAD SERIES DESIGNATOR | UNC | | THREAD QUANTITY PER INCH | 32 |
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