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National Stock Number:
5305-99-964-3882
Federal Supply Class:
5305
National Item Identification Number:
999643882
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 QUANTITY PER INCH | 24 | | THREAD SERIES DESIGNATOR | UNF | | FASTENER LENGTH | 2.380 INCHES NOMINAL | | HEAD DIAMETER | 0.560 INCHES NOMINAL | | HEAD HEIGHT | 0.250 INCHES NOMINAL | | HEAD STYLE | KNURLED NO. 1 | | MATERIAL DOCUMENT AND CLASSIFICATION | MOD DEF 13B GROUP 5B MFR REF SINGLE MATERIAL RESPONSE | | MATERIAL | STEEL | | POINT LENGTH | 0.120 INCHES NOMINAL | | POINT STYLE | BALL | | POINT DIAMETER | 0.130 INCHES NOMINAL | | NOMINAL THREAD DIAMETER | 0.375 INCHES | | SURFACE TREATMENT | PHOSPHATE OVERALL | | THREAD CLASS | 2A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 2.260 INCHES NOMINAL |
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