5306-01-266-8300 BOLT,MACHINE Index 5306-01-266-8302 BOLT,MACHINE

National Stock Number:
5306-01-266-8301

Federal Supply Class:
5306

National Item Identification Number:
012668301

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.


Manufacturer Information:
BR2111-628117023BRUCE AEROSPACE INC
ST26D58-628104236LOCKHEED MARTIN CORP


Techincal Specification:
FASTENER LENGTH2.577 INCHES MINIMUM AND 2.607 INCHES MAXIMUM
FEATURES PROVIDEDFINISHED HEAD
GRIP LENGTH1.735 INCHES MINIMUM AND 1.765 INCHES MAXIMUM
HEAD HEIGHT0.265 INCHES MINIMUM AND 0.297 INCHES MAXIMUM
HEAD STYLEHEXAGON
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 5732 ASSN STD SINGLE MATERIAL RESPONSE OR AMS 5737 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIALIRON ALLOY 660 OVERALL
NOMINAL THREAD DIAMETER0.500 INCHES
SPECIAL FEATURESFURNISHED WITH TAB,WASHER,SPACER; TAB AND WASHER CRES PER MIL-S-6069 COMP 301 COND A; SPACER TYPE 303SE COND A; ALL PARTS PASSIVATED PER QQ-P-35
WIDTH BETWEEN FLATS0.741 INCHES MINIMUM AND 0.751 INCHES MAXIMUM
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTPASSIVATE OVERALL
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.812 INCHES MINIMUM AND 0.872 INCHES MAXIMUM
THREAD QUANTITY PER INCH20
THREAD SERIES DESIGNATORUNJF


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