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National Stock Number:
5305-01-617-0403
Federal Supply Class:
5305
National Item Identification Number:
016170403
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:
| 70055 | 0Y3H3 | FASTENAL COMPANY | | HW20328 | L0782 | ARMATEC SURVIVABILITY CORP |
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Techincal Specification:
| CHAMFER ANGLE | 15.0 DEGREES MINIMUM AND 30.0 DEGREES MAXIMUM | | FASTENER LENGTH | 0.97 INCHES MINIMUM AND 1.00 INCHES MAXIMUM | | HEAD HEIGHT | 0.195 INCHES MINIMUM AND 0.211 INCHES MAXIMUM | | HEAD STYLE | HEXAGON | | MATERIAL DOCUMENT AND CLASSIFICATION | ALLOY,GROUP 1,COND CW OF ASTM F593 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL PROPERTY CLASS 18.8 OVERALL | | NOMINAL THREAD DIAMETER | 0.3125 INCHES | | PART NAME ASSIGNED BY CONTROLLING AGENCY | 5/16-18X1,HEX CAP SCREW,18-8 STAINLESS STEEL | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | DESCALED OR CLEAN IAW ASTM A380 ASSN STD SINGLE TREATMENT RESPONSE OVERALL | | THREAD CLASS | 2A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.97 INCHES MINIMUM AND 1.00 INCHES MAXIMUM | | THREAD QUANTITY PER INCH | 18 | | THREAD SERIES DESIGNATOR | UNIFIED NATIONAL COARSE (UNC) | | WIDTH BETWEEN FLATS | 0.489 INCHES MINIMUM AND 0.500 INCHES MAXIMUM |
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