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National Stock Number:
5305-00-834-7042
Federal Supply Class:
5305
National Item Identification Number:
008347042
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:
| 3200-6 | 81312 | WINCHESTER INTERCONNECT CORPORATION |
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Techincal Specification:
| FASTENER LENGTH | 0.938 INCHES NOMINAL | | HEAD HEIGHT | 0.188 INCHES NOMINAL | | HEAD DIAMETER | 0.325 INCHES NOMINAL | | HEAD STYLE | KNURLED NO. 2 | | NOMINAL THREAD DIAMETER | 0.138 INCHES | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-B-626 FED SPEC SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | COPPER ALLOY OVERALL | | POINT STYLE | CONE | | POINT CHAMFER ANGLE | 60.0 DEGREES NOMINAL | | POINT DIAMETER | 0.093 INCHES NOMINAL | | POINT LENGTH | 0.125 INCHES NOMINAL | | THREAD LENGTH | 0.188 INCHES MINIMUM | | THREAD CLASS | 2A | | THREAD DIRECTION | RIGHT-HAND | | THREAD QUANTITY PER INCH | 32 | | THREAD SERIES DESIGNATOR | UNC | | SURFACE TREATMENT | NICKEL OVERALL |
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