5305-01-168-0869, SCREW,CAP,SOCKET HEAD

National Stock Number:
5305-01-168-0869

Federal Supply Class:
5305

National Item Identification Number:
011680869

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:

FF-S-86	81348	FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC
SF-10512 ITEM 034	16712	SIEMENS ENERGY, INC.
SF-10512 ITEM 034	59180	CIRCOR PUMPS NORTH AMERICA LLC

Techincal Specification:

FASTENER LENGTH	1.940 INCHES MINIMUM AND 2.000 INCHES MAXIMUM
HARDNESS RATING	38.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM OVERALL
HEAD DIAMETER	0.921 INCHES MINIMUM AND 0.938 INCHES MAXIMUM
HEAD HEIGHT	0.616 INCHES MINIMUM AND 0.625 INCHES MAXIMUM
HEAD STYLE	FLAT CHAMFER
INTERNAL DRIVE STYLE	HEXAGON
LOCKING FEATURE	STRIP OR PELLET OR PATCH THREADS
MATERIAL DOCUMENT AND CLASSIFICATION	ASTM A574 ASSN STD SINGLE MATERIAL RESPONSE FASTENER
MATERIAL	PLASTIC LOCKING FEATURE
MATERIAL	STEEL FASTENER
MINIMUM TENSILE STRENGTH	170000 POUNDS PER SQUARE INCH
MINIMUM YIELD STRENGTH	150000 POUNDS PER SQUARE INCH
NOMINAL THREAD DIAMETER	0.625 INCHES
NONDEFINITIVE SPEC/STD DATA	6 TYPE
WIDTH ACROSS FLATS	0.500 INCHES NOMINAL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	MIL-P-16232 TY Z CL 2 MIL SPEC SINGLE TREATMENT RESPONSE FASTENER
SURFACE TREATMENT	PHOSPHATE FASTENER
THREAD CLASS	2A
THREAD DIRECTION	RIGHT-HAND
THREAD LENGTH	1.758 INCHES MINIMUM AND 2.000 INCHES MAXIMUM
THREAD SERIES DESIGNATOR	UNC
THREAD QUANTITY PER INCH	11

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