5305-01-450-1711, SCREW,CAP,SOCKET HEAD

National Stock Number:
5305-01-450-1711

Federal Supply Class:
5305

National Item Identification Number:
014501711

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:

5468032-5

53711

NAVAL SEA SYSTEMS COMMAND

Techincal Specification:

THREAD SERIES DESIGNATOR	UNC
NOMINAL THREAD DIAMETER	0.112 INCHES
THREAD QUANTITY PER INCH	40
THREAD CLASS	3A
THREAD DIRECTION	RIGHT-HAND
THREAD LENGTH	0.170 INCHES MINIMUM AND
	0.250 INCHES MAXIMUM
FASTENER LENGTH	0.220 INCHES MINIMUM AND
	0.250 INCHES MAXIMUM
MATERIAL	STEEL COMP 316 OVERALL
	PLASTIC POLYAMIDE LOCKING FEATURE
MATERIAL DOCUMENT AND CLASSIFICATION	66 ASSN STD 2ND MATERIAL RESPONSE OVERALL
	MIL-F-18240 MIL SPEC SINGLE MATERIAL RESPONSE LOCKING FEATURE
SURFACE TREATMENT	PASSIVATE OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-P-35 FED SPEC 1ST TREATMENT RESPONSE OVERALL
HARDNESS RATING	80.0 ROCKWELL B MINIMUM OVERALL
MINIMUM TENSILE STRENGTH	80000 POUNDS PER SQUARE INCH
MINIMUM YIELD STRENGTH	30000 POUNDS PER SQUARE INCH
HEAD STYLE	FLAT CHAMFER
HEAD DIAMETER	0.176 INCHES MINIMUM AND
	0.183 INCHES MAXIMUM
HEAD HEIGHT	0.108 INCHES MINIMUM AND
	0.112 INCHES MAXIMUM
INTERNAL DRIVE STYLE	HEXAGON
WIDTH ACROSS FLATS	0.094 INCHES MINIMUM AND
	0.995 INCHES MAXIMUM
LOCKING FEATURE	PATCH THREADS
SPECIAL FEATURES	MAGNETIC PERMEABILITY SHALL NOT EXCEED 2.0 AFTER FABRICATION
NONDEFINITIVE SPEC/STD DATA	6 TYPE

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