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National Stock Number:
5305-00-286-8992
Federal Supply Class:
5305
National Item Identification Number:
002868992
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:
| 06910 | 96152 | BORG-WARNER CORP MARVEL-SCHEBLER/TILLOTSON DIV |
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Techincal Specification:
| FASTENER LENGTH | 0.719 INCHES NOMINAL | | HEAD DIAMETER | 0.312 INCHES NOMINAL | | HEAD HEIGHT | 0.188 INCHES NOMINAL | | HEAD STYLE | KNURLED NO. 1 | | MATERIAL | COPPER ALLOY OVERALL | | NOMINAL THREAD DIAMETER | 0.190 INCHES | | POINT CHAMFER ANGLE | 58.0 DEGREES MINIMUM AND 62.0 DEGREES MAXIMUM | | POINT DIAMETER | 0.109 INCHES MINIMUM AND 0.119 INCHES MAXIMUM | | POINT LENGTH | 0.281 INCHES NOMINAL | | POINT STYLE | CONE | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.328 INCHES MINIMUM AND 0.359 INCHES MAXIMUM | | THREAD SERIES DESIGNATOR | UNF | | THREAD QUANTITY PER INCH | 32 |
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