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National Stock Number:
5305-00-271-2395
Federal Supply Class:
5305
National Item Identification Number:
002712395
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:
| 256161PC5 | 10001 | NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER |
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Techincal Specification:
| FASTENER LENGTH | 0.980 INCHES MINIMUM AND 1.020 INCHES MAXIMUM | | HEAD HEIGHT | 0.781 INCHES NOMINAL | | HEAD STYLE | WING NO. 2 | | PART NAME ASSIGNED BY CONTROLLING AGENCY | NAVY SPECIAL PROJECT | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-B-691 FED SPEC SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | COPPER ALLOY OVERALL | | NOMINAL THREAD DIAMETER | 0.375 INCHES | | POINT STYLE | OVAL | | SPECIAL FEATURES | 0.064 INCHES DIAMETER HOLE 0.1875 INCHES PLUS OR MINUS .020 FROM THREADED END | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.899 INCHES MINIMUM | | THREAD SERIES DESIGNATOR | UNIFIED NATIONAL COARSE (UNC) | | THREAD QUANTITY PER INCH | 16 | | WIDTH BETWEEN FLATS | 1.688 INCHES NOMINAL |
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