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National Stock Number:
5305-00-381-5869
Federal Supply Class:
5305
National Item Identification Number:
003815869
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:
| 664232PC2 | 10001 | NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER | | T9173300PC2 | 24446 | GENERAL ELECTRIC COMPANY |
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Techincal Specification:
| THREAD SERIES DESIGNATOR | UNC | | NOMINAL THREAD DIAMETER | 0.250 INCHES | | THREAD QUANTITY PER INCH | 20 | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.530 INCHES MINIMUM AND | | 0.550 INCHES MAXIMUM | | FASTENER LENGTH | 0.717 INCHES MINIMUM AND | | 0.757 INCHES MAXIMUM | | MATERIAL | STEEL COMP 416 OVERALL | | MATERIAL DOCUMENT AND CLASSIFICATION | AISI ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | HEAD STYLE | KNURLED NO. 1 | | HEAD DIAMETER | 0.615 INCHES MINIMUM AND | | 0.635 INCHES MAXIMUM | | HEAD HEIGHT | 0.178 INCHES MINIMUM AND | | 0.198 INCHES MAXIMUM | | POINT STYLE | DOG | | POINT LENGTH | 0.126 INCHES MINIMUM AND | | 0.144 INCHES MAXIMUM | | POINT DIAMETER | 0.124 INCHES MINIMUM AND | | 0.126 INCHES MAXIMUM |
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