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National Stock Number:
5305-01-010-9937
Federal Supply Class:
5305
National Item Identification Number:
010109937
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:
| PQ-31 ZZ | 29440 | W. M. BERG INC | | PQ31 | 29440 | W. M. BERG INC |
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Techincal Specification:
| THREAD SERIES DESIGNATOR | UNF | | NOMINAL THREAD DIAMETER | 0.190 INCHES | | THREAD QUANTITY PER INCH | 32 | | THREAD CLASS | 2A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 1.000 INCHES NOMINAL | | FASTENER LENGTH | 1.250 INCHES NOMINAL | | MATERIAL | STEEL COMP 416 OVERALL | | MATERIAL DOCUMENT AND CLASSIFICATION | AISI ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | HARDNESS RATING | 28.0 ROCKWELL C MINIMUM AND | | 32.0 ROCKWELL C MAXIMUM OVERALL | | HEAD STYLE | KNURLED NO. 1 | | HEAD DIAMETER | 0.375 INCHES NOMINAL | | HEAD HEIGHT | 0.188 INCHES NOMINAL | | POINT STYLE | POINTLESS |
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