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National Stock Number:
5305-01-324-5817
Federal Supply Class:
5305
National Item Identification Number:
013245817
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:
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Techincal Specification:
| THREAD SERIES DESIGNATOR | UNC | | NOMINAL THREAD DIAMETER | 0.190 INCHES | | THREAD QUANTITY PER INCH | 24 | | THREAD CLASS | 2A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.187 INCHES NOMINAL | | FASTENER LENGTH | 1.105 INCHES NOMINAL | | MATERIAL | STEEL OVERALL | | SURFACE TREATMENT | CADMIUM AND | | CHROMATE OVERALL | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TYPE2,CLASS 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL | | HEAD STYLE | THUMB NO. 3 | | HEAD HEIGHT | 0.460 INCHES MINIMUM AND | | 0.480 INCHES MAXIMUM | | WIDTH BETWEEN FLATS | 0.400 INCHES MINIMUM AND | | 0.420 INCHES MAXIMUM | | POINT STYLE | FLAT | | SPECIFICATION/STANDARD DATA | 96906-MS21316-24 GOVERNMENT STANDARD | | DEPARTURE FROM CITED DOCUMENT | AS MODIFIED BY THREAD LENGTH |
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