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National Stock Number:
5306-01-600-4439
Federal Supply Class:
5306
National Item Identification Number:
016004439
Description:
BOLT,MACHINE
Detail:
AN EXTERNALLY THREADED FASTENER DESIGNED FOR INSERTION THROUGH HOLES IN ASSEMBLED PARTS AND NORMALLY INTENDED TO BE TIGHTENED OR RELEASED BY TORQUING A NUT. THE THREADED AND UNTHREADED PORTIONS ARE BOTH OF ONE NOMINAL DIAMETER OF 0.190 INCH (5 MM) OR LARGER. THE HEAD IS NOT DESIGNED TO BE HELD OR DRIVEN WITH AN INSERTED DRIVER OR BY THE THUMB AND FINGERS. A LOCKING FEATURE MAY BE INCORPORATED IN THE DESIGN OF THE HEAD OR THREADS. HEAD DIMENSIONS AND SIZES OF THREADED AND UNTHREADED PORTIONS SHALL CONFORM TO INTERNATIONALLY RECOGNIZED FASTENER STANDARDS. FOR ITEMS HAVING A GRIP LENGTH PORTION MACHINED TO A TOLERANCE OF 0.0015 INCH (0.038 MM) OR LESS, BOLT, SHEAR. SEE ALSO SCREW, CAP, HEXAGON HEAD AND SCREW, MACHINE.
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Manufacturer Information:
| 70351-48700-101 | 78286 | SIKORSKY AIRCRAFT CORPORATION |
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Techincal Specification:
| PROPRIETARY CHARACTERISTICS | PACS | | NOMINAL THREAD DIAMETER | 0.250 INCHES | | SPECIAL FEATURES | SURFACE TREATMENT:ANODIZE (TYPE 1),MIL-A-8625;EPOXY PRIMER,MIL-P-8SF82;CHEMICAL SURFACE TREATMENT 5S8485;CADMIUM PLATE (CLASS 2,TYPE 1),TYPE PRIMER INSULATION QQ-P-416;EXTERIOR PAINT SS8555 | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD QUANTITY PER INCH | 28 | | THREAD SERIES DESIGNATOR | UNF |
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