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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:
| THREAD SERIES DESIGNATOR | UNC | | NOMINAL THREAD DIAMETER | 0.375 INCHES | | THREAD QUANTITY PER INCH | 16 | | THREAD CLASS | 2A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.440 INCHES MINIMUM | | FASTENER LENGTH | 2.060 INCHES NOMINAL | | MATERIAL | STEEL COMP 303 OR | | STEEL COMP 303SE OVERALL | | MATERIAL DOCUMENT AND CLASSIFICATION | ASTM A582 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | SURFACE TREATMENT | PASSIVATE OVERALL | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-35 TY 6 FED SPEC SINGLE TREATMENT RESPONSE OVERALL | | HEAD STYLE | KNURLED NO. 1 | | HEAD DIAMETER | 1.000 INCHES NOMINAL | | HEAD HEIGHT | 0.380 INCHES NOMINAL | | 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. |
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