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National Stock Number:
5305-99-347-5175
Federal Supply Class:
5305
National Item Identification Number:
993475175
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:
| 6605074 | U1918 | MISSION SYSTEMS WIMBORNE LIMITED |
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Techincal Specification:
| III PART NAME ASSIGNED BY CONTROLLING AGENCY | PIN,SPECIAL | | POINT LENGTH | 0.080 INCHES MAXIMUM AND 0.060 INCHES MINIMUM | | POINT STYLE | OVAL | | NOMINAL THREAD DIAMETER | 0.750 INCHES | | SPECIAL FEATURES | 1.5IN. DIA HD BEFORE KNURLING | | THREAD CLASS | 2A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 1.240 INCHES MINIMUM AND 1.260 INCHES MAXIMUM | | THREAD QUANTITY PER INCH | 16 | | THREAD SERIES DESIGNATOR | UNF | | DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER | 1.070 INCHES NOMINAL | | FASTENER LENGTH | 2.310 INCHES MINIMUM AND 2.330 INCHES MAXIMUM | | FIRST DIAMETER FROM HEAD | 0.570 INCHES MAXIMUM AND 0.550 INCHES MINIMUM | | HEAD HEIGHT | 4.030 INCHES MAXIMUM AND 3.970 INCHES MINIMUM | | HEAD STYLE | KNURLED NO. 5 | | HOLE CONFIGURATION STYLE | ROUND | | HOLE DIAMETER | 10.00 MILLIMETERS NOMINAL | | HOLE QUANTITY | 2 | | HOLE TYPE | DRILLED | | MATERIAL DOCUMENT AND CLASSIFICATION | BS S154 NATIONAL STD/SPEC SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL OVERALL |
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