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National Stock Number: 5305-01-200-6993
Federal Supply Class: 5305
National Item Identification Number: 012006993
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:
A3013606-1 | 80063 | US ARMY COMMUNICATIONS & ELECTRONICS MATERIEL READINESS COMMAND LOGISTICS ENGINEERING DIR |
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Techincal Specification:
EXTERNAL THREAD TOLERANCE CLASS | 6G | FASTENER LENGTH | 47.00 MILLIMETERS NOMINAL | HEAD HEIGHT | 22.0 MILLIMETERS NOMINAL | HEAD STYLE | THUMB NO. 4 | HOLE CONFIGURATION STYLE | WING | HOLE QUANTITY | 2 | HOLE TYPE | DRILLED | HOLE DIAMETER | 3.00 MILLIMETERS NOMINAL | MATERIAL DOCUMENT AND CLASSIFICATION | ASTM A581, COND A ASSN STD SINGLE MATERIAL RESPONSE OVERALL | MATERIAL | STEEL COMP 416 OVERALL | NOMINAL THREAD DIAMETER | 1.25 MILLIMETERS | POINT CHAMFER ANGLE | 45.0 DEGREES NOMINAL | POINT DIAMETER | 4.67 MILLIMETERS MINIMUM AND 4.93 MILLIMETERS MAXIMUM | POINT LENGTH | 17.0 MILLIMETERS NOMINAL | POINT STYLE | FLAT | WIDTH BETWEEN FLATS | 34.0 MILLIMETERS NOMINAL | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | A3014011, CAGE 80063 MFR REF SINGLE TREATMENT RESPONSE OVERALL | SURFACE TREATMENT | PAINT OVERALL | THREAD DIRECTION | RIGHT-HAND | THREAD LENGTH | 25.5 MILLIMETERS NOMINAL | THREAD SERIES DESIGNATOR | M | THREAD PITCH IN MILLIMETERS | 8.0 |
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