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National Stock Number:
5305-01-204-2683
Federal Supply Class:
5305
National Item Identification Number:
012042683
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:
| 12312426 | 19207 | U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM |
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Techincal Specification:
| THREAD SERIES DESIGNATOR | UNC | | THREAD LENGTH | 0.300 INCHES NOMINAL | | FASTENER LENGTH | 0.640 INCHES NOMINAL | | MATERIAL | STEEL COMP 4140 OR | | STEEL COMP 8640 OVERALL | | HEAD STYLE | HEXAGON | | THREAD DIRECTION | RIGHT-HAND | | NOMINAL THREAD DIAMETER | 0.375 INCHES | | THREAD QUANTITY PER INCH | 16 | | THREAD CLASS | 2A | | MATERIAL DOCUMENT AND CLASSIFICATION | ASTM-A322 ASSN STD SINGLE MATERIAL RESPONSE OR | | ASTM-A331 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | SURFACE TREATMENT | CADMIUM OVERALL | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TYPE 2,CLASS 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL | | HARDNESS RATING | 32.0 ROCKWELL C MINIMUM AND | | 38.0 ROCKWELL C MAXIMUM OVERALL | | HEAD HEIGHT | 0.210 INCHES NOMINAL | | WIDTH BETWEEN FLATS | 0.562 INCHES NOMINAL | | SPECIAL FEATURES | ITEM HAS NON STANDARD DOG POINT 0.297 IN. DIA.X 0.320 IN.LG | | THE MANUFACTURERS DATA | | | MANUFACTURERS CODE | 19207 | | DESIGN CONTROL REFERENCE | 12312426 |
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