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National Stock Number:
5305-00-060-2104
Federal Supply Class:
5305
National Item Identification Number:
000602104
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:
| 10156112-2 | 18876 | U S ARMY AVIATION AND MISSILE COMMAND | | 324115 | 26365 | GRIES DYNACAST CO DIV OF COATS AND CLARK INC |
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Techincal Specification:
| FASTENER LENGTH | 0.250 INCHES NOMINAL | | HEAD HEIGHT | 0.443 INCHES NOMINAL | | HEAD STYLE | WING NO. 4 | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-Z-363 FED SPEC SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | ZINC ALLOY OVERALL | | NOMINAL THREAD DIAMETER | 0.138 INCHES | | POINT STYLE | FLAT | | WIDTH BETWEEN FLATS | 0.853 INCHES NOMINAL | | SURFACE TREATMENT | CHROMATE OVERALL | | THREAD CLASS | 2A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.250 INCHES MAXIMUM | | THREAD QUANTITY PER INCH | 32 | | THREAD SERIES DESIGNATOR | UNC |
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