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National Stock Number:
5305-01-213-6614
Federal Supply Class:
5305
National Item Identification Number:
012136614
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:
| 435850 | 3B150 | RAYTHEON COMPANY | | 435850 | 49956 | RAYTHEON COMPANY | | 435850 | 54X10 | RAYTHEON COMPANY |
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Techincal Specification:
| FASTENER LENGTH | 2.000 INCHES NOMINAL | | HEAD DIAMETER | 0.440 INCHES NOMINAL | | HEAD HEIGHT | 0.500 INCHES NOMINAL | | HEAD STYLE | KNURLED NO. 4 | | MATERIAL DOCUMENT AND CLASSIFICATION | ASTMA582 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL COMP 303SE OVERALL | | III PART NAME ASSIGNED BY CONTROLLING AGENCY | NAVY SPECIAL PROJECT | | POINT LENGTH | 0.500 INCHES NOMINAL | | POINT STYLE | BALL | | POINT DIAMETER | 0.112 INCHES NOMINAL | | PROPRIETARY CHARACTERISTICS | MRCS | | NOMINAL THREAD DIAMETER | 0.164 INCHES | | SPECIAL FEATURES | POINT THREADED 4-40 UNC 2A,0.380 IN. LONG | | SURFACE TREATMENT | PASSIVATE OVERALL | | THREAD CLASS | 2A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.380 INCHES NOMINAL | | THREAD QUANTITY PER INCH | 32 | | THREAD SERIES DESIGNATOR | UNC |
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