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National Stock Number:
5305-00-118-2933
Federal Supply Class:
5305
National Item Identification Number:
001182933
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:
| 2220278 | 10001 | NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER |
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Techincal Specification:
| FASTENER LENGTH | 0.720 INCHES MINIMUM AND 0.780 INCHES MAXIMUM | | HEAD HEIGHT | 0.530 INCHES MINIMUM AND 0.590 INCHES MAXIMUM | | HEAD STYLE | THUMB NO. 3 | | MATERIAL DOCUMENT AND CLASSIFICATION | AISI ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL COMP 304 OVERALL | | NOMINAL THREAD DIAMETER | 0.250 INCHES | | POINT STYLE | FLAT | | WIDTH BETWEEN FLATS | 0.470 INCHES MINIMUM AND 0.500 INCHES MAXIMUM | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | 171,FINISH NO. 5.4.1 MIL STD SINGLE TREATMENT RESPONSE OVERALL | | SURFACE TREATMENT | PASSIVATE OVERALL | | THREAD CLASS | 2A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.720 INCHES MINIMUM AND 0.780 INCHES MAXIMUM | | THREAD QUANTITY PER INCH | 20 | | THREAD SERIES DESIGNATOR | UNC |
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