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National Stock Number:
5305-01-387-0086
Federal Supply Class:
5305
National Item Identification Number:
013870086
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:
| 53A-00-193-18 | 32386 | ILLINOIS TOOL WKS INC LINAC DIV | | 53A-00-193-18 | 53711 | NAVAL SEA SYSTEMS COMMAND | | 53A-00-193-X-18 | 53711 | NAVAL SEA SYSTEMS COMMAND |
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Techincal Specification:
| THREAD SERIES DESIGNATOR | UNF | | THREAD LENGTH | 0.750 INCHES MAXIMUM | | FASTENER LENGTH | 0.719 INCHES MINIMUM AND | | 0.750 INCHES MAXIMUM | | MATERIAL | PLASTIC POLYAMIDE LOCKING FEATURE | | NICKEL ALLOY 400 FASTENER | | HEAD STYLE | HEXAGON | | THREAD DIRECTION | RIGHT-HAND | | NOMINAL THREAD DIAMETER | 0.375 INCHES | | THREAD QUANTITY PER INCH | 24 | | THREAD CLASS | 2A | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-N-281 CL A FED SPEC SINGLE MATERIAL RESPONSE FASTENER | | MINIMUM TENSILE STRENGTH | 80000 POUNDS PER SQUARE INCH | | MINIMUM YIELD STRENGTH | 40000 POUNDS PER SQUARE INCH | | HEAD HEIGHT | 0.226 INCHES MINIMUM AND | | 0.243 INCHES MAXIMUM | | WIDTH BETWEEN FLATS | 0.551 INCHES MINIMUM AND | | 0.562 INCHES MAXIMUM | | LOCKING FEATURE | STRIP THREADS |
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