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National Stock Number:
5305-00-997-2802
Federal Supply Class:
5305
National Item Identification Number:
009972802
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:
| 7032859-1 | 03538 | LOCKHEED MARTIN CORPORATION | | 7032859P001 | 03538 | LOCKHEED MARTIN CORPORATION |
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Techincal Specification:
| FASTENER LENGTH | 0.378 INCHES MINIMUM AND 0.382 INCHES MAXIMUM | | HEAD DIAMETER | 0.378 INCHES MINIMUM AND 0.382 INCHES MAXIMUM | | HEAD HEIGHT | 0.498 INCHES MINIMUM AND 0.502 INCHES MAXIMUM | | HEAD STYLE | KNURLED NO. 4 | | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-7720 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL COMP 302 OVERALL | | NOMINAL THREAD DIAMETER | 0.138 INCHES | | POINT STYLE | FLAT | | THREAD CLASS | 2A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.378 INCHES MINIMUM AND 0.382 INCHES MAXIMUM | | THREAD SERIES DESIGNATOR | UNC | | THREAD QUANTITY PER INCH | 32 |
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