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National Stock Number:
5305-01-212-9273
Federal Supply Class:
5305
National Item Identification Number:
012129273
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:
| 0.625-11UNC-2AX1.750 LEVEL 1 | 03950 | NAVAL INVENTORY CONTROL POINT MECHANICSBURG | | 0.62511UNC2A1.750T1G5SDD | 96169 | ELECTRIC BOAT CORPORATION | | 688-1864 APPX 1 | 53689 | I-T-E IMPERIAL CORP SUB OF GOULD INC DISTRIBUTIONS AND CONTROLS DIV | | 688-1864 APPX 1 | 96169 | ELECTRIC BOAT CORPORATION |
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Techincal Specification:
| CRITICALITY CODE JUSTIFICATION | ZZZY | | HARDNESS RATING | 23.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM OVERALL | | HEAD HEIGHT | 0.378 INCHES MINIMUM AND 0.403 INCHES MAXIMUM | | REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS | MATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS | | SPECIAL FEATURES | FOR ADDITIONAL DESCRIPTION AND INFORMATION CONCERNING THIS ITEM,REFER TO SPCCINST 4440.375 SERIES,CHAPTER 9 | | WIDTH BETWEEN FLATS | 0.922 INCHES MINIMUM AND 0.938 INCHES MAXIMUM |
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