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National Stock Number:
5305-01-590-8821
Federal Supply Class:
5305
National Item Identification Number:
015908821
Description:
SETSCREW
Detail:
AN EXTERNALLY THREADED DEVICE WHOSE THREADED PORTION IS OF ONE NOMINAL DIAMETER WITH OR WITHOUT A HEAD AND HAVING A CUP, CONE, OR OTHER TYPE OF MACHINED POINT DESIGNED TO PREVENT OR RESTRICT RELATIVE MOVEMENT OF PARTS AND DESIGNED TO BE DRIVEN WITH EITHER A WRENCH OR INSERTED DRIVER. A LOCKING FEATURE MAY BE INCORPORATED IN THE DESIGN OF THE HEAD OR THREADS.
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Manufacturer Information:
| 25337 | 1S002 | CHARLES REED KNIGHT JR | | 25337C | 1S002 | CHARLES REED KNIGHT JR |
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Techincal Specification:
| FASTENER LENGTH | 0.188 INCHES NOMINAL | | HARDNESS RATING | 45.0 ROCKWELL C MINIMUM OVERALL AND 53.0 ROCKWELL C MAXIMUM OVERALL | | HEAD STYLE | HEADLESS (SETSCREW) | | INTERNAL DRIVE STYLE | HEXAGON | | MATERIAL | STEEL COMP 4140 OVERALL | | PART NAME ASSIGNED BY CONTROLLING AGENCY | SETSCREW, NBR 6-40 X .188 | | POINT STYLE | OVAL | | POINT DIAMETER | 0.250 INCHES NOMINAL | | PROPRIETARY CHARACTERISTICS | PACS | | NOMINAL THREAD DIAMETER | 0.138 INCHES | | WIDTH ACROSS FLATS | 0.062 INCHES NOMINAL | | SURFACE TREATMENT | PHOSPHATE MANGANESE OVERALL | | THREAD LENGTH | 0.178 INCHES NOMINAL | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD QUANTITY PER INCH | 40 | | THREAD SERIES DESIGNATOR | UNF |
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