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National Stock Number:
5305-00-276-3271
Federal Supply Class:
5305
National Item Identification Number:
002763271
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:
| SP9147 | 10001 | NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER |
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Techincal Specification:
| FASTENER LENGTH | 1.810 INCHES MINIMUM AND 1.830 INCHES MAXIMUM | | HEAD DIAMETER | 1.240 INCHES MINIMUM AND 1.260 INCHES MAXIMUM | | HEAD HEIGHT | 0.305 INCHES NOMINAL | | HEAD STYLE | KNURLED NO. 1 | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-B-637 FED SPEC 1ST MATERIAL RESPONSE OR QQ-B-639 FED SPEC 2ND MATERIAL RESPONSE OVERALL | | MATERIAL | COPPER ALLOY 462 OR COPPER ALLOY 464 OR COPPER ALLOY 482 OR COPPER ALLOY 485 OVERALL | | NOMINAL THREAD DIAMETER | 0.375 INCHES | | POINT STYLE | OVAL | | THREAD CLASS | 2A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 1.745 INCHES MINIMUM | | THREAD SERIES DESIGNATOR | UNS | | THREAD QUANTITY PER INCH | 20 |
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