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National Stock Number:
5305-01-283-9897
Federal Supply Class:
5305
National Item Identification Number:
012839897
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:
| 06-60453 | 9Z677 | CROMWELL BUILDERS MANUFACTURING INC DBA JC.NET/CROMWELL/BUILDERS | | 306060453 | 9Z677 | CROMWELL BUILDERS MANUFACTURING INC DBA JC.NET/CROMWELL/BUILDERS | | 7/8-9UNC-2A X 4-1/2 IN LG ZINC | 80204 | AMERICAN NATIONAL STANDARDS INSTITUTE INCORPORATED | | 7/8-9UNC-2A X 4-1/2 IN LG ZINC | 81349 | MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M | | M1222RN14C272GFNZX | 81349 | MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M | | 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 | 2.000 INCHES MINIMUM | | FASTENER LENGTH | 4.340 INCHES MINIMUM AND | | 4.500 INCHES MAXIMUM | | MATERIAL | STEEL OVERALL | | HEAD STYLE | HEXAGON | | THREAD DIRECTION | RIGHT-HAND | | NOMINAL THREAD DIAMETER | 0.875 INCHES | | THREAD QUANTITY PER INCH | 9 | | THREAD CLASS | 2A | | MATERIAL DOCUMENT AND CLASSIFICATION | SAE J429,GRADE 5 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | SURFACE TREATMENT | ZINC OVERALL | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | ASTM B633 ASSN STD SINGLE TREATMENT RESPONSE OVERALL | | HARDNESS RATING | 23.0 ROCKWELL C MINIMUM AND | | 34.0 ROCKWELL C MAXIMUM OVERALL | | MINIMUM TENSILE STRENGTH | 120000 POUNDS PER SQUARE INCH | | MINIMUM YIELD STRENGTH | 92000 POUNDS PER SQUARE INCH | | HEAD HEIGHT | 0.531 INCHES MINIMUM AND | | 0.563 INCHES MAXIMUM | | WIDTH BETWEEN FLATS | 1.285 INCHES MINIMUM AND | | 1.312 INCHES MAXIMUM | | NONDEFINITIVE SPEC/STD DATA | 1 TYPE | | SPEC/STD CONTROLLING DATA | | | NON-DEFINITIVE GOVERNMENT SPEC/STD REFERENCE | MIL-DTL-1222 | | MANUFACTURERS CODE | 81349 | | DEFINITIVE GOVERNMENT SPEC/STD REFERENCE | M1222RN14C272GFNZX |
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