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National Stock Number:
5305-01-399-6586
Federal Supply Class:
5305
National Item Identification Number:
013996586
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:
| 0.31218UNC2A0.750 GR316 | 80204 | AMERICAN NATIONAL STANDARDS INSTITUTE INCORPORATED | | 5/16-18UNC-2A X 3/4"LG GR316 | 80204 | AMERICAN NATIONAL STANDARDS INSTITUTE INCORPORATED | | 5/16-18UNC-2A X 3/4"LG GR316 | 80204 | AMERICAN NATIONAL STANDARDS INSTITUTE INCORPORATED | | 5/16-18UNC-2A X 3/4'LG GR316 | 80204 | AMERICAN NATIONAL STANDARDS INSTITUTE INCORPORATED | | M122RN5C212SDNN | 81349 | MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M | | 5305PL1290671 | 9009H | INSPEKTORAT WSPARCIA SIL ZBROJNYCH | | MIL-DTL-1222 | 81349 | MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M | | MIL-S-1222 | 81349 | MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M |
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Techincal Specification:
| THREAD SERIES DESIGNATOR | UNC | | THREAD LENGTH | 0.750 INCHES NOMINAL | | FASTENER LENGTH | 0.750 INCHES NOMINAL | | MATERIAL | STEEL COMP 316 OVERALL | | HEAD STYLE | HEXAGON | | THREAD DIRECTION | RIGHT-HAND | | NOMINAL THREAD DIAMETER | 0.312 INCHES | | THREAD QUANTITY PER INCH | 18 | | THREAD CLASS | 2A | | SURFACE TREATMENT | PASSIVATE OVERALL | | HEAD HEIGHT | 0.195 INCHES MINIMUM AND | | 0.211 INCHES MAXIMUM | | WIDTH BETWEEN FLATS | 0.489 INCHES MINIMUM AND | | 0.500 INCHES MAXIMUM | | NONDEFINITIVE SPEC/STD DATA | 1 TYPE | | SPEC/STD CONTROLLING DATA | | | MANUFACTURERS CODE | 81349 | | NON-DEFINITIVE GOVERNMENT SPEC/STD REFERENCE | MIL-DTL-1222 | | DEFINITIVE GOVERNMENT SPEC/STD REFERENCE | M122RN5C212SDNN |
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