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National Stock Number:
5306-00-028-4204
Federal Supply Class:
5306
National Item Identification Number:
000284204
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:
| 35210 | 02978 | RENK AMERICA LLC | | 35210 | 28839 | TELEDYNE INDUSTRIES INC TELEDYNE POWER SYSTEMS DIV | | 352106 | 28839 | TELEDYNE INDUSTRIES INC TELEDYNE POWER SYSTEMS DIV | | LW25-0-94 | 80254 | TEXTRON LYCOMING INC WILLIAMSPORT PLANT | | LW25-0-94 | R1120 | SATAIR A/S | | STD1204 | 80254 | TEXTRON LYCOMING INC WILLIAMSPORT PLANT | | STD1204 | R1120 | SATAIR A/S |
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Techincal Specification:
| FASTENER LENGTH | 0.940 INCHES NOMINAL | | FEATURES PROVIDED | FINISHED HEAD | | GRIP LENGTH | 0.190 INCHES MINIMUM AND 0.250 INCHES MAXIMUM | | HARDNESS RATING | 26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM OVERALL | | HEAD HEIGHT | 0.160 INCHES NOMINAL | | HEAD STYLE | HEXAGON | | MATERIAL | STEEL OVERALL | | NOMINAL THREAD DIAMETER | 0.250 INCHES | | WIDTH BETWEEN FLATS | 0.428 INCHES MINIMUM AND 0.440 INCHES MAXIMUM | | SURFACE TREATMENT | CADMIUM OVERALL | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.690 INCHES MINIMUM AND 0.750 INCHES MAXIMUM | | THREAD SERIES DESIGNATOR | UNC | | THREAD QUANTITY PER INCH | 20 |
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