5305-01-126-8806, SCREW,CAP,SOCKET HEAD

National Stock Number:
5305-01-126-8806

Federal Supply Class:
5305

National Item Identification Number:
011268806

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:

592-4758537-15	80064	NAVAL SHIP SYSTEMS COMMAND
592-4758541 FIND 4	80064	NAVAL SHIP SYSTEMS COMMAND

Techincal Specification:

COUNTERSINK ANGLE	82.0 DEGREES NOMINAL
FASTENER LENGTH	0.595 INCHES MINIMUM AND 0.625 INCHES MAXIMUM
HARDNESS RATING	80.0 ROCKWELL B NOMINAL OVERALL
HEAD DIAMETER	0.311 INCHES MINIMUM AND 0.359 INCHES MAXIMUM
HEAD STYLE	FLAT COUNTERSUNK
INTERNAL DRIVE STYLE	HEXAGON
MATERIAL DOCUMENT AND CLASSIFICATION	66 FED STD SINGLE MATERIAL RESPONSE OVERALL
MATERIAL	STEEL COMP 316 OVERALL
MINIMUM YIELD STRENGTH	30000 POUNDS PER SQUARE INCH
MINIMUM TENSILE STRENGTH	80000 POUNDS PER SQUARE INCH
NOMINAL THREAD DIAMETER	0.164 INCHES
PART NAME ASSIGNED BY CONTROLLING AGENCY	NAVY SPECIAL PROJECT
WIDTH ACROSS FLATS	0.094 INCHES NOMINAL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-P-35 FED SPEC 1ST TREATMENT RESPONSE AND MIL-C-13924 CL4 MIL SPEC 2ND TREATMENT RESPONSE OVERALL
SURFACE TREATMENT	PASSIVATE AND OXIDE OVERALL
THREAD CLASS	3A
THREAD DIRECTION	RIGHT-HAND
THREAD LENGTH	0.421 INCHES MINIMUM AND 0.451 INCHES MAXIMUM
THREAD QUANTITY PER INCH	32
THREAD SERIES DESIGNATOR	UNIFIED NATIONAL COARSE (UNC)

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