5305-99-775-7322, SCREW,CAP,SOCKET HEAD

National Stock Number:
5305-99-775-7322

Federal Supply Class:
5305

National Item Identification Number:
997757322

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:

BS4168 PART 1	K7766	BRITISH STANDARDS INSTITUTION
BSENISO4762	K7766	BRITISH STANDARDS INSTITUTION
ISO4762-M8X20-12.9	I9008	INTERNATIONAL ORGANIZATION FOR STANDARDIZATION (ISO)
S606091421	K7705	KNDS DEFENCE UK LIMITED
G413/4592/32	K7705	KNDS DEFENCE UK LIMITED
G413/4592 ITEM 32	K7706	JENKINS VALVE RE-SEATERS LTD

Techincal Specification:

FASTENER LENGTH	19.58 MILLIMETERS MINIMUM AND 20.42 MILLIMETERS MAXIMUM AND 20.00 MILLIMETERS NOMINAL
HEAD DIAMETER	13.00 MILLIMETERS MAXIMUM AND 12.73 MILLIMETERS MINIMUM
HEAD HEIGHT	7.64 MILLIMETERS MINIMUM AND 8.00 MILLIMETERS MAXIMUM AND 8.00 MILLIMETERS MAXIMUM AND 7.64 MILLIMETERS MINIMUM
HEAD STYLE	FLAT FILLISTER
INTERNAL DRIVE STYLE	HEXAGON
MATERIAL DOCUMENT AND CLASSIFICATION	BS 6104 PART 1 NATIONAL STD/SPEC SINGLE MATERIAL RESPONSE
MATERIAL	STEEL
NOMINAL THREAD DIAMETER	8.00 MILLIMETERS
SPECIAL FEATURES	KNURLED NO. 1;STRENGTH GRADE 12.9
WIDTH ACROSS FLATS	6.020 MILLIMETERS MINIMUM AND 6.095 MILLIMETERS MAXIMUM
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	DEF-STAN 03-20 MIL STD 1ST TREATMENT RESPONSE AND DEF SPEC 130 MIL STD 3RD TREATMENT RESPONSE
SURFACE TREATMENT	ZINC AND CHROMATE AND PASSIVATE OVERALL
THREAD CLASS	5G6G
THREAD DIRECTION	RIGHT-HAND
THREAD LENGTH	19.58 MILLIMETERS MINIMUM AND 20.42 MILLIMETERS MAXIMUM AND 20.00 MILLIMETERS NOMINAL
THREAD SERIES DESIGNATOR	ISO M
THREAD PITCH IN MILLIMETERS	1.25

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