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National Stock Number:
5305-00-017-9890
Federal Supply Class:
5305
National Item Identification Number:
000179890
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:
| 106343 | 12204 | DAIMLER CHRYSLER | | 179890 | 21450 | ARMY WEAPONS COMMAND ATTN AMSWE-REE-S | | 179890 | 24617 | GENERAL MOTORS CORP | | MS35295-116 | 96906 | MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M | | S2818 | 3D6E9 | MERITOR INDUSTRIAL PRODUCTS, LLC | | S2818 | 78500 | MERITOR HEAVY VEHICLE SYSTEMS, LLC |
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Techincal Specification:
| FASTENER LENGTH | 2.250 INCHES NOMINAL | | HARDNESS RATING | 25.0 ROCKWELL C MINIMUM AND 34.0 ROCKWELL C MAXIMUM OVERALL | | HEAD HEIGHT | 0.312 INCHES NOMINAL | | HEAD STYLE | HEXAGON | | MATERIAL | STEEL OVERALL | | MINIMUM TENSILE STRENGTH | 125000 POUNDS PER SQUARE INCH | | NOMINAL THREAD DIAMETER | 0.500 INCHES | | NONDEFINITIVE SPEC/STD DATA | 2 TYPE AND 10P STYLE AND 5 GRADE | | WIDTH BETWEEN FLATS | 0.750 INCHES NOMINAL | | THREAD CLASS | 2A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 1.250 INCHES MINIMUM | | THREAD SERIES DESIGNATOR | UNC | | THREAD QUANTITY PER INCH | 13 |
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