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National Stock Number:
5306-01-180-2546
Federal Supply Class:
5306
National Item Identification Number:
011802546
Description:
BOLT,MACHINE
Detail:
An externally threaded fastener designed for insertion through holes in assembled parts and normally intended to be tightened or released by torquing a nut. The threaded and unthreaded portions are both of one nominal diameter of 0.190 inch (5 mm) or larger. The head is not designed to be held or driven with an inserted driver or by the thumb and fingers. A locking feature may be incorporated in the design of the head or threads. Head dimensions and sizes of threaded and unthreaded portions shall conform to internationally recognized fastener standards. For items having a grip length portion machined to a tolerance of 0.0015 inch (0.038 mm) or less, BOLT, SHEAR. See also SCREW, CAP, HEXAGON HEAD and SCREW, MACHINE.
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Manufacturer Information:
| NAS6204P4 | 80205 | NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE |
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Techincal Specification:
| THREAD DIRECTION | RIGHT-HAND | | FASTENER LENGTH | 0.605 INCHES MINIMUM AND | | 0.635 INCHES MAXIMUM | | MATERIAL | STEEL COMP E4340 OR | | STEEL COMP 8740 OVERALL | | THREAD LENGTH | 0.345 INCHES MINIMUM AND | | 0.395 INCHES MAXIMUM | | HEAD STYLE | DISHED HEXAGON | | THREAD SERIES DESIGNATOR | UNJF | | NOMINAL THREAD DIAMETER | 0.250 INCHES | | THREAD QUANTITY PER INCH | 28 | | THREAD CLASS | 3A | | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-5000 MIL SPEC 1ST MATERIAL RESPONSE OR | | MIL-S-6049 MIL SPEC 2ND MATERIAL RESPONSE OR | | AMS6322 ASSN STD 2ND MATERIAL RESPONSE OVERALL | | SURFACE TREATMENT | CADMIUM AND | | CHROMATE OVERALL | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TY 2,CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL | | HARDNESS RATING | 36.0 ROCKWELL C MINIMUM AND | | 40.0 ROCKWELL C MAXIMUM OVERALL | | MINIMUM TENSILE STRENGTH | 160000 POUNDS PER SQUARE INCH | | HEAD HEIGHT | 0.125 INCHES MINIMUM AND | | 0.140 INCHES MAXIMUM | | WIDTH BETWEEN FLATS | 0.429 INCHES MINIMUM AND | | 0.439 INCHES MAXIMUM | | LOCKING FEATURE | PATCH THREADS | | GRIP LENGTH | 0.240 INCHES MINIMUM AND | | 0.260 INCHES MAXIMUM | | FEATURES PROVIDED | FINISHED HEAD | | SPECIFICATION/STANDARD DATA | 80205-NAS6204 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
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