5305-01-343-1162, SCREW,CAP,SOCKET HEAD

National Stock Number:
5305-01-343-1162

Federal Supply Class:
5305

National Item Identification Number:
013431162

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:

524-6603688-VHBA-100	53711	NAVAL SEA SYSTEMS COMMAND
5959303-89	96169	ELECTRIC BOAT CORPORATION
803-5959303-X-89	53711	NAVAL SEA SYSTEMS COMMAND
M122SN5C316GILA	81349	MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
MIL-DTL-1222J	81349	MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M

Techincal Specification:

THREAD SERIES DESIGNATOR	UNRC
NOMINAL THREAD DIAMETER	0.312 INCHES
THREAD QUANTITY PER INCH	18
THREAD CLASS	3A
THREAD DIRECTION	RIGHT-HAND
THREAD LENGTH	0.889 INCHES NOMINAL
FASTENER LENGTH	1.000 INCHES NOMINAL
MATERIAL	PLASTIC POLYAMIDE LOCKING FEATURE
	STEEL UNS K03104 FASTENER
MATERIAL DOCUMENT AND CLASSIFICATION	AMS A574 ASSN STD SINGLE MATERIAL RESPONSE FASTENER
SURFACE TREATMENT	ALUMINUM AND
	CHROMATE OR
	ZINC AND
	CHROMATE FASTENER
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	MIL-C-83488 TY 2 CL 3 MIL SPEC 1ST TREATMENT RESPONSE OR
	MIL-C-87115 CL 3 MIL SPEC 2ND TREATMENT RESPONSE FASTENER
HARDNESS RATING	37.0 ROCKWELL C MINIMUM AND
	45.0 ROCKWELL C MAXIMUM FASTENER
MINIMUM TENSILE STRENGTH	125000 POUNDS PER SQUARE INCH
HEAD STYLE	FLAT CHAMFER
HEAD DIAMETER	0.457 INCHES MINIMUM AND
	0.469 INCHES MAXIMUM
HEAD HEIGHT	0.306 INCHES MINIMUM AND
	0.312 INCHES MAXIMUM
INTERNAL DRIVE STYLE	HEXAGON
WIDTH ACROSS FLATS	0.250 INCHES NOMINAL
LOCKING FEATURE	PELLET OR
	STRIP OR
	PATCH THREADS
SPEC/STD CONTROLLING DATA
MANUFACTURERS CODE	81349
NON-DEFINITIVE GOVERNMENT SPEC/STD REFERENCE	MIL-DTL-1222J
DEFINITIVE GOVERNMENT SPEC/STD REFERENCE	M122SN5C316GILA

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