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National Stock Number:
5305-01-392-5055
Federal Supply Class:
5305
National Item Identification Number:
013925055
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:
| DAA7249D057-001 | 1W025 | NORTHROP GRUMMAN SYSTEMS CORP |
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Techincal Specification:
| THREAD SERIES DESIGNATOR | UNC | | NOMINAL THREAD DIAMETER | 0.190 INCHES | | THREAD QUANTITY PER INCH | 24 | | THREAD CLASS | 2A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.750 INCHES NOMINAL | | FASTENER LENGTH | 0.750 INCHES NOMINAL | | MATERIAL | STEEL OVERALL | | HEAD STYLE | THUMB NO. 3 | | HEAD HEIGHT | 0.430 INCHES MINIMUM AND | | 0.500 INCHES MAXIMUM | | WIDTH BETWEEN FLATS | 0.390 INCHES MINIMUM AND | | 0.470 INCHES MAXIMUM | | POINT STYLE | FLAT | | SPECIAL FEATURES | SHANK HOLE 0.0620 IN. MIN, 0.065 IN.MAX; 0.085 IN. FROM END |
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