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National Stock Number:
5305-01-231-1483
Federal Supply Class:
5305
National Item Identification Number:
012311483
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:
| 2030D48-2 | 94259 | BECHTEL MARINE PROPULSION CORPORATION |
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Techincal Specification:
| THREAD SERIES DESIGNATOR | UNF | | NOMINAL THREAD DIAMETER | 0.164 INCHES | | THREAD QUANTITY PER INCH | 36 | | THREAD CLASS | 2A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.286 INCHES NOMINAL | | FASTENER LENGTH | 0.440 INCHES NOMINAL | | MATERIAL | STEEL CORROSION RESISTING OVERALL | | HEAD DIAMETER | 0.310 INCHES NOMINAL | | HEAD HEIGHT | 1.440 INCHES NOMINAL | | POINT STYLE | FLAT | | REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS | MATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS | | CRITICALITY CODE JUSTIFICATION | ZZZY | | THE MANUFACTURERS DATA | | | MANUFACTURERS CODE | 94259 | | DESIGN CONTROL REFERENCE | 2030D48-2 |
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