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National Stock Number:
5305-00-622-7432
Federal Supply Class:
5305
National Item Identification Number:
006227432
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:
| 10275043 | 18876 | U S ARMY AVIATION AND MISSILE COMMAND |
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Techincal Specification:
| THREAD SERIES DESIGNATOR | UNS | | NOMINAL THREAD DIAMETER | 0.190 INCHES | | THREAD QUANTITY PER INCH | 56 | | THREAD CLASS | 2A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.365 INCHES MINIMUM AND | | 0.385 INCHES MAXIMUM | | FASTENER LENGTH | 0.490 INCHES MINIMUM AND | | 0.510 INCHES MAXIMUM | | MATERIAL | STEEL COMP 303 OVERALL | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-764 COND A FED SPEC SINGLE MATERIAL RESPONSE OVERALL | | SURFACE TREATMENT | PASSIVATE OVERALL | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-35,TY 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL | | HEAD STYLE | KNURLED NO. 4 | | HEAD DIAMETER | 0.490 INCHES MINIMUM AND | | 0.510 INCHES MAXIMUM | | HEAD HEIGHT | 0.720 INCHES MINIMUM AND | | 0.780 INCHES MAXIMUM | | POINT STYLE | FLAT | | FIRST DIAMETER FROM HEAD | 0.132 INCHES NOMINAL | | DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER | 0.125 INCHES NOMINAL | | THE MANUFACTURERS DATA | | | MANUFACTURERS CODE | 18876 | | DESIGN CONTROL REFERENCE | 10275043 |
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