5305-01-441-9207 SCREW,CAP,HEXAGON HEAD Index 5310-01-441-9209 NUT,SELF-LOCKING,HEXAGON

National Stock Number:
5306-01-441-9208

Federal Supply Class:
5306

National Item Identification Number:
014419208

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:
21103815353711NAVAL SEA SYSTEMS COMMAND
902-6409707-1253711NAVAL SEA SYSTEMS COMMAND
902-6429707-F1253711NAVAL SEA SYSTEMS COMMAND
D2202000039-F2253711NAVAL SEA SYSTEMS COMMAND
MIL-DTL-122281349MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
MIL-S-122281349MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M


Techincal Specification:
FASTENER LENGTH2.500 INCHES NOMINAL
HARDNESS RATING80.0 ROCKWELL B MINIMUM FASTENER
HEAD HEIGHT0.378 INCHES MINIMUM AND 0.444 INCHES MAXIMUM
HEAD STYLEHEXAGON
LOCKING FEATUREPELLET OR STRIP OR PATCH THREADS
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-N-281 FED SPEC SINGLE MATERIAL RESPONSE FASTENER
MATERIALNICKEL ALLOY 400 FASTENER
MATERIALPLASTIC POLYAMIDE NYLON LOCKING FEATURE
MINIMUM TENSILE STRENGTH80000 POUNDS PER SQUARE INCH
MINIMUM YIELD STRENGTH40000 POUNDS PER SQUARE INCH
NOMINAL THREAD DIAMETER0.625 INCHES
THREAD CLASS2A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH1.500 INCHES NOMINAL
THREAD QUANTITY PER INCH11
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC)
WIDTH BETWEEN FLATS0.906 INCHES MINIMUM AND 0.928 INCHES MAXIMUM


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