5305-01-453-4053 SCREW,CAP,HEXAGON HEAD Index 4730-01-453-4055 PLUG,PIPE

National Stock Number:
5305-01-453-4054

Federal Supply Class:
5305

National Item Identification Number:
014534054

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:
167-6404610-10553711NAVAL SEA SYSTEMS COMMAND
21106731643689HUNTINGTON INGALLS INC
6404610 FIND 10553711NAVAL SEA SYSTEMS COMMAND
MIL-S-122281349MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
211067316D9182ZF INDUSTRIEANTRIEBE WITTEN GMBH


Techincal Specification:
THREAD SERIES DESIGNATORUNRC
NOMINAL THREAD DIAMETER0.312 INCHES
THREAD QUANTITY PER INCH18
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.609 INCHES MINIMUM
FASTENER LENGTH0.720 INCHES MINIMUM AND
0.750 INCHES MAXIMUM
MATERIALPLASTIC POLYAMIDE LOCKING FEATURE
NICKEL ALLOY K-500 OR
NICKEL ALLOY 502 FASTENER
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-N-286 FED SPEC ALL MATERIAL RESPONSES FASTENER
HARDNESS RATING24.0 ROCKWELL C MINIMUM AND
35.0 ROCKWELL C MAXIMUM FASTENER
MINIMUM TENSILE STRENGTH130000 POUNDS PER SQUARE INCH
MINIMUM YIELD STRENGTH90000 POUNDS PER SQUARE INCH
HEAD STYLEFLAT CHAMFER
HEAD DIAMETER0.457 INCHES MINIMUM AND
0.469 INCHES MAXIMUM
HEAD HEIGHT0.306 INCHES MINIMUM AND
0.312 INCHES MAXIMUM
INTERNAL DRIVE STYLEHEXAGON
WIDTH ACROSS FLATS0.250 INCHES NOMINAL
LOCKING FEATUREPATCH OR
PELLET OR
STRIP THREADS
NONDEFINITIVE SPEC/STD DATA2 TYPE AND
500 GRADE


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