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National Stock Number:
5305-00-281-6858
Federal Supply Class:
5305
National Item Identification Number:
002816858
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:
| BACS12W10-14 | 81205 | THE BOEING COMPANY |
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Techincal Specification:
| FASTENER LENGTH | 0.845 INCHES MINIMUM AND 0.905 INCHES MAXIMUM | | HEAD HEIGHT | 0.350 INCHES MINIMUM AND 0.470 INCHES MAXIMUM | | HEAD STYLE | WING NO. 3 | | MATERIAL DOCUMENT AND CLASSIFICATION | ASTM A108 ASSN STD ALL MATERIAL RESPONSES OVERALL | | MATERIAL | STEEL COMP 1010 OR STEEL COMP 1015 OR STEEL COMP 1016 OR STEEL COMP 1018 OR STEEL COMP 1019 OR STEEL COMP 1020 OR STEEL COMP 1022 OR STEEL COMP 1025 OR STEEL COMP 1026 OR STEEL COMP 1035 OR STEEL COMP 1040 OR STEEL COMP 1042 OR STEEL COMP 1045 OR STEEL COMP 1046 OR STEEL COMP 1548 OR STEEL COMP 1049 OR STEEL COMP 1050 OVERALL | | NOMINAL THREAD DIAMETER | 0.190 INCHES | | POINT STYLE | POINTLESS | | SPECIAL FEATURES | WITH 0.060 IN. MIN 0.080 IN. MAX DIA HOLE DRILLED THROUGH ONE FLAT PORTION OF HEAD WING | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TY 1,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL | | SURFACE TREATMENT | CADMIUM OVERALL | | THREAD CLASS | 2A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.783 INCHES MINIMUM AND 0.905 INCHES MAXIMUM | | THREAD SERIES DESIGNATOR | UNF | | THREAD QUANTITY PER INCH | 32 | | WIDTH BETWEEN FLATS | 0.780 INCHES MINIMUM AND 0.900 INCHES MAXIMUM |
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