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National Stock Number:
5305-01-386-8512
Federal Supply Class:
5305
National Item Identification Number:
013868512
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-00-231-19 | 0ANX6 | ALPHA AEROSPACE HARDWARE INC | | 53A-00-231-19 | 29432 | AIR SPECIALTIES INC | | 53A-00-231-19 | 32386 | ILLINOIS TOOL WKS INC LINAC DIV | | 53A-00-231-19 | 53711 | NAVAL SEA SYSTEMS COMMAND |
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Techincal Specification:
| THREAD SERIES DESIGNATOR | UNC | | THREAD LENGTH | 1.750 INCHES MAXIMUM | | FASTENER LENGTH | 1.719 INCHES MINIMUM AND | | 1.750 INCHES MAXIMUM | | MATERIAL | PLASTIC POLYAMIDE LOCKING FEATURE | | NICKEL ALLOY K-500 FASTENER | | HEAD STYLE | HEXAGON | | THREAD DIRECTION | RIGHT-HAND | | NOMINAL THREAD DIAMETER | 0.750 INCHES | | THREAD QUANTITY PER INCH | 10 | | THREAD CLASS | 2A | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-N-286 CL A FED SPEC SINGLE MATERIAL RESPONSE FASTENER | | HEAD HEIGHT | 0.455 INCHES MINIMUM AND | | 0.483 INCHES MAXIMUM | | WIDTH BETWEEN FLATS | 1.100 INCHES MINIMUM AND | | 1.125 INCHES MAXIMUM | | LOCKING FEATURE | STRIP THREADS |
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