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National Stock Number:
5305-01-216-7890
Federal Supply Class:
5305
National Item Identification Number:
012167890
Description:
SCREW,CAP,HEXAGON HEAD
Detail:
An externally threaded fastener designed for insertion into holes in assembled parts, for mating with a preformed internal thread and for tightening or releasing by torquing the head. The threaded and unthreaded portions are both of the same nominal diameter of 0.190 inch (5 mm) or larger. Head dimensions and sizes of threaded and unthreaded portions shall conform to internationally recognized fastener standards. The thread length being the controlled dimension, the grip length is not specified. A locking feature may be incorporated in the design of the head or threads. Excludes BOLT, MACHINE; BOLT, EXTERNALLY RELIEVED BODY; BOLT, INTERNAL WRENCHING; and SCREW, CAP, SOCKET HEAD.
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Manufacturer Information:
| 300-4684413 ITEM 3 | 80064 | NAVAL SHIP SYSTEMS COMMAND |
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Techincal Specification:
| FASTENER LENGTH | 4.500 INCHES NOMINAL | | HARDNESS RATING | 24.0 ROCKWELL C MINIMUM OVERALL | | HEAD HEIGHT | 0.902 INCHES MINIMUM AND 0.974 INCHES MAXIMUM | | HEAD STYLE | HEXAGON | | HOLE CONFIGURATION STYLE | HEXAGON CORNERS | | HOLE DIAMETER | 0.094 INCHES NOMINAL | | HOLE QUANTITY | 3 | | HOLE TYPE | DRILLED | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-N-286 CL A FED SPEC SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | NICKEL ALLOY K-500 OVERALL | | MINIMUM TENSILE STRENGTH | 130000 POUNDS PER SQUARE INCH | | MINIMUM YIELD STRENGTH | 85000 POUNDS PER SQUARE INCH | | NOMINAL THREAD DIAMETER | 1.500 INCHES | | WIDTH BETWEEN FLATS | 2.175 INCHES MINIMUM AND 2.230 INCHES MAXIMUM | | THREAD CLASS | 2A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 3.250 INCHES MINIMUM AND 4.500 INCHES MAXIMUM | | THREAD QUANTITY PER INCH | 6 | | THREAD SERIES DESIGNATOR | UNC |
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