5306-01-338-4007 BOLT,SHEAR Index 5305-01-338-4009 SCREW,CAP,HEXAGON HEAD

National Stock Number:
5305-01-338-4008

Federal Supply Class:
5305

National Item Identification Number:
013384008

Description:
SCREW,CAP,SOCKET HEAD

Detail:
An externally threaded fastener whose threaded portion is of one nominal diameter. The head has an internal socket or multiple spline for use with an inserted driver. A locking feature may be incorporated in the design of the head or threads. Excludes items with bevel (conical) heads. See BOLT, INTERNAL WRENCHING. Excludes SCREW, SHOULDER; and SCREW, MACHINE.


Manufacturer Information:
21103593753711NAVAL SEA SYSTEMS COMMAND
556-6405334 ITE53711NAVAL SEA SYSTEMS COMMAND
801-6405342 FIND 2253711NAVAL SEA SYSTEMS COMMAND
801-6405342-2253711NAVAL SEA SYSTEMS COMMAND
801-6408780 FIND 2153711NAVAL SEA SYSTEMS COMMAND
556-6405334-59D9182ZF INDUSTRIEANTRIEBE WITTEN GMBH
MILS1222TYII 1/4-20UNRC-3AX1/2LG81349MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M


Techincal Specification:
THREAD SERIES DESIGNATORUNC
NOMINAL THREAD DIAMETER0.250 INCHES
THREAD QUANTITY PER INCH20
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.400 INCHES NOMINAL
FASTENER LENGTH0.500 INCHES NOMINAL
MATERIALSTEEL UNS K03104 FASTENER
MATERIAL DOCUMENT AND CLASSIFICATIONASTMA574 ASSN STD SINGLE MATERIAL RESPONSE FASTENER
HARDNESS RATING39.0 ROCKWELL C MINIMUM AND
45.0 ROCKWELL C MAXIMUM FASTENER
MINIMUM TENSILE STRENGTH180000 POUNDS PER SQUARE INCH
MINIMUM YIELD STRENGTH155000 POUNDS PER SQUARE INCH
HEAD STYLEFLAT CHAMFER
HEAD DIAMETER0.365 INCHES MINIMUM AND
0.375 INCHES MAXIMUM
HEAD HEIGHT0.244 INCHES MINIMUM AND
0.250 INCHES MAXIMUM
INTERNAL DRIVE STYLEHEXAGON
WIDTH ACROSS FLATS0.188 INCHES NOMINAL
LOCKING FEATUREPATCH OR
PELLET OR
STRIP THREADS


Click here to Register for Free 30-day Trial