5305-00-558-7985, SCREW,CAP,SOCKET HEAD

National Stock Number:
5305-00-558-7985

Federal Supply Class:
5305

National Item Identification Number:
005587985

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:

AN148757

88044

AERONAUTICAL STANDARDS GROUP DEPT OF NAVY AND AIR FORCE

Techincal Specification:

FASTENER LENGTH	0.552 INCHES MINIMUM AND 0.572 INCHES MAXIMUM
HARDNESS RATING	32.0 ROCKWELL C MINIMUM OVERALL AND 36.0 ROCKWELL C MAXIMUM OVERALL
HEAD DIAMETER	0.490 INCHES MINIMUM AND 0.510 INCHES MAXIMUM
HEAD HEIGHT	0.295 INCHES MINIMUM AND 0.315 INCHES MAXIMUM
HEAD STYLE	FLAT CHAMFER
HOLE CONFIGURATION STYLE	ROUND
HOLE DIAMETER	0.046 INCHES NOMINAL
HOLE QUANTITY	6
HOLE TYPE	DRILLED
NOMINAL THREAD DIAMETER	0.312 INCHES
INTERNAL DRIVE STYLE	HEXAGON
MATERIAL DOCUMENT AND CLASSIFICATION	AMS 6322 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIAL	STEEL COMP 8740 OVERALL
THREAD QUANTITY PER INCH	24
THREAD SERIES DESIGNATOR	UNF
WIDTH ACROSS FLATS	0.251 INCHES MINIMUM AND 0.253 INCHES MAXIMUM
SURFACE FINISH	32.0 MICROINCHES THREADS
SURFACE FINISH	63.0 MICROINCHES BEARING SURFACE OF HEAD
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	AMS 2400 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENT	CADMIUM OVERALL
THREAD DIRECTION	RIGHT-HAND
THREAD CLASS	3A
THREAD LENGTH	0.489 INCHES MINIMUM AND 0.572 INCHES MAXIMUM

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