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National Stock Number:
5305-00-680-5560
Federal Supply Class:
5305
National Item Identification Number:
006805560
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:
| 360-832-8 | 45722 | USM CORP SUB OF EMHART INDUSTRIES INC PARKER-KALON FASTENER DIV | | 9004091 | 18876 | U S ARMY AVIATION AND MISSILE COMMAND | | G231015-2 | 45722 | USM CORP SUB OF EMHART INDUSTRIES INC PARKER-KALON FASTENER DIV | | G231015-2 | 64959 | AMERICAN TELEPHONE AND TELEGRAPH CO |
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Techincal Specification:
| FASTENER LENGTH | 0.500 INCHES NOMINAL | | HEAD HEIGHT | 0.312 INCHES NOMINAL | | HEAD STYLE | THUMB NO. 4 | | MATERIAL | STEEL OVERALL | | NOMINAL THREAD DIAMETER | 0.164 INCHES | | POINT STYLE | FLAT | | WIDTH BETWEEN FLATS | 0.500 INCHES NOMINAL | | SURFACE TREATMENT | CHROMATE ZINC OVERALL | | THREAD CLASS | 2A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.500 INCHES MAXIMUM | | THREAD SERIES DESIGNATOR | UNC | | THREAD QUANTITY PER INCH | 32 |
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