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National Stock Number:
5305-01-059-4323
Federal Supply Class:
5305
National Item Identification Number:
010594323
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:
| 16A74028-73 | 81755 | LOCKHEED MARTIN CORPORATION |
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Techincal Specification:
| THREAD SERIES DESIGNATOR | UNC | | NOMINAL THREAD DIAMETER | 0.312 INCHES | | THREAD QUANTITY PER INCH | 18 | | THREAD CLASS | 2A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 2.400 INCHES NOMINAL | | FASTENER LENGTH | 3.200 INCHES NOMINAL | | MATERIAL | STEEL COMP 302 OR | | STEEL COMP 303 OVERALL | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-763 COND A FED SPEC ALL MATERIAL RESPONSES OVERALL | | HEAD STYLE | KNURLED NO. 1 | | HEAD DIAMETER | 1.000 INCHES NOMINAL | | HEAD HEIGHT | 0.400 INCHES NOMINAL | | POINT LENGTH | 0.500 INCHES NOMINAL | | POINT DIAMETER | 0.230 INCHES NOMINAL | | THE MANUFACTURERS DATA | | | MANUFACTURERS CODE | 81755 | | DESIGN CONTROL REFERENCE | 16A74028-73 |
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