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National Stock Number:
5306-01-434-4890
Federal Supply Class:
5306
National Item Identification Number:
014344890
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:
| XB-S05826 | 74410 | SAF-HOLLAND, INC. |
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Techincal Specification:
| SPECIAL FEATURES | ONE 1/4-28 UNF-3B THREADED HOLE IN BOLT HEAD AND TWO 0.140 IN. DIA HOLES DRILLED IN SHANK | | WIDTH BETWEEN FLATS | 1.100 INCHES MINIMUM AND 1.125 INCHES MAXIMUM | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416, CLASS 2 FED SPEC 1ST TREATMENT RESPONSE OVERALL OR ASTM B633, TYPE 2, CLASS FE/ZN 13 ASSN STD 2ND TREATMENT RESPONSE OVERALL | | SURFACE TREATMENT | CADMIUM OVERALL AND CHROMATE OVERALL OR ZINC OVERALL AND CHROMATE OVERALL | | THREAD CLASS | 2A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.959 INCHES MINIMUM AND 0.979 INCHES MAXIMUM | | THREAD QUANTITY PER INCH | 16 | | THREAD SERIES DESIGNATOR | UNF | | FASTENER LENGTH | 2.865 INCHES MINIMUM AND 2.885 INCHES MAXIMUM | | HEAD HEIGHT | 0.490 INCHES MINIMUM AND 0.510 INCHES MAXIMUM | | HEAD STYLE | HEXAGON | | MATERIAL | STEEL COMP 4140 OVERALL OR STEEL COMP 4142 OVERALL | | PROPRIETARY CHARACTERISTICS | PACS | | NOMINAL THREAD DIAMETER | 0.750 INCHES |
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