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National Stock Number:
5305-00-282-9771
Federal Supply Class:
5305
National Item Identification Number:
002829771
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:
| 5039623 | 19200 | US ARMY ARDEC RDECOM |
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Techincal Specification:
| FASTENER LENGTH | 0.782 INCHES NOMINAL | | HEAD HEIGHT | 1.000 INCHES NOMINAL | | HEAD STYLE | WING NO. 3 | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-B-691,COMP 2 FED SPEC SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | COPPER ALLOY 836 OVERALL | | NOMINAL THREAD DIAMETER | 0.250 INCHES | | POINT STYLE | OVAL | | SPECIAL FEATURES | HOLE 0.109 FOR TAPER PIN LOCATED 3/32 IN FROM BOTTOM OF SCREW | | THREAD CLASS | 2A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.594 INCHES MINIMUM | | THREAD QUANTITY PER INCH | 28 | | THREAD SERIES DESIGNATOR | UNF | | WIDTH BETWEEN FLATS | 1.125 INCHES NOMINAL |
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