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National Stock Number:
5305-01-391-1439
Federal Supply Class:
5305
National Item Identification Number:
013911439
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:
| G386803-1 | 3B150 | RAYTHEON COMPANY | | G386803-1 | 49956 | RAYTHEON COMPANY | | G386803-1 | 54X10 | RAYTHEON COMPANY |
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Techincal Specification:
| FASTENER LENGTH | 2.060 INCHES NOMINAL | | HEAD DIAMETER | 1.000 INCHES NOMINAL | | HEAD HEIGHT | 0.380 INCHES NOMINAL | | HEAD STYLE | KNURLED NO. 1 | | MATERIAL DOCUMENT AND CLASSIFICATION | ASTM A582 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL COMP 303 OR STEEL COMP 303SE OVERALL | | NOMINAL THREAD DIAMETER | 0.375 INCHES | | SPECIAL FEATURES | HEAD CHAMFERED 0.100 IN. X 45.0 DEG. GRIP UNDERCUT 0.620 IN. FROM FASTENER END, 0.050 IN. WIDE, PORM 0.002 IN., UNDERCUT DIA. 0.3605 IN., PORM 0.0015 IN. | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-35 TY 6 FED SPEC SINGLE TREATMENT RESPONSE OVERALL | | SURFACE TREATMENT | PASSIVATE OVERALL | | THREAD CLASS | 2A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.440 INCHES MINIMUM | | THREAD SERIES DESIGNATOR | UNIFIED NATIONAL COARSE (UNC) | | THREAD QUANTITY PER INCH | 16 |
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