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National Stock Number:
5305-00-938-7707
Federal Supply Class:
5305
National Item Identification Number:
009387707
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:
| 0N103780 | 98230 | NATIONAL SECURITY AGENCY | | 0N124180 | 98230 | NATIONAL SECURITY AGENCY |
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Techincal Specification:
| FASTENER LENGTH | 1.210 INCHES MAXIMUM | | HEAD DIAMETER | 0.250 INCHES MAXIMUM | | HEAD HEIGHT | 0.053 INCHES MAXIMUM | | HEAD STYLE | KNURLED NO. 3 | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL COMP 303 OVERALL | | NOMINAL THREAD DIAMETER | 0.112 INCHES | | POINT STYLE | FLAT | | SURFACE TREATMENT | PASSIVATE OVERALL | | TEST DATA DOCUMENT | 98230-ON103780 DRAWING (THIS IS THE BASIC GOVERNING DRAWING, SUCH AS A CONTRACTOR DRAWING, ORIGINAL EQUIPMENT MANUFACTURER DRAWING, ETC.; EXCLUDES ANY SPECIFICATION, STANDARD OR OTHER DOCUMENT THAT MAY BE REFERENCED IN A BASIC GOVERNING DRAWING) | | THREAD DIRECTION | RIGHT-HAND | | THREAD CLASS | 2A | | THREAD LENGTH | 0.380 INCHES MAXIMUM | | THREAD SERIES DESIGNATOR | UNC | | THREAD QUANTITY PER INCH | 40 |
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