5305-01-145-7521 SCREW,CAP,SOCKET HEAD Index 5305-01-145-7523 SETSCREW

National Stock Number:
5305-01-145-7522

Federal Supply Class:
5305

National Item Identification Number:
011457522

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:
100A90507734228L3 TECHNOLOGIES, INC.
9050734228L3 TECHNOLOGIES, INC.
FF-S-86 TYPE VI81348FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC


Techincal Specification:
THREAD SERIES DESIGNATORUNC
NOMINAL THREAD DIAMETER0.164 INCHES
THREAD QUANTITY PER INCH32
THREAD CLASS2A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.408 INCHES MINIMUM AND
0.500 INCHES MAXIMUM
FASTENER LENGTH0.470 INCHES MINIMUM AND
0.500 INCHES MAXIMUM
MATERIALNICKEL ALLOY 400 OR
NICKEL ALLOY R-405 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-N-281 FED SPEC ALL MATERIAL RESPONSES OVERALL
HEAD STYLEFLAT CHAMFER
HEAD DIAMETER0.262 INCHES MINIMUM AND
0.270 INCHES MAXIMUM
HEAD HEIGHT0.159 INCHES MINIMUM AND
0.164 INCHES MAXIMUM
INTERNAL DRIVE STYLEHEXAGON
WIDTH ACROSS FLATS0.141 INCHES NOMINAL
SPEC/STD CONTROLLING DATA
MANUFACTURERS CODE81348
NON-DEFINITIVE GOVERNMENT SPEC/STD REFERENCEFF-S-86 TYPE VI


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