5305-99-549-7771, SCREW,CAP,SOCKET HEAD

National Stock Number:
5305-99-549-7771

Federal Supply Class:
5305

National Item Identification Number:
995497771

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 8	K7766	BRITISH STANDARDS INSTITUTION
BS4168 PART 8 M16 X 60MM	K7766	BRITISH STANDARDS INSTITUTION
G413/4633 ITEM 53	K7705	KNDS DEFENCE UK LIMITED
G413/4633/53	K7705	KNDS DEFENCE UK LIMITED
S629061930	K7705	KNDS DEFENCE UK LIMITED

Techincal Specification:

SURFACE TREATMENT	ZINC AND PASSIVATE OVERALL
THREAD CLASS	5G6G
THREAD DIRECTION	RIGHT-HAND
THREAD LENGTH	51.20 MILLIMETERS NOMINAL
THREAD SERIES DESIGNATOR	ISO M
THREAD PITCH IN MILLIMETERS	2.00
CRITICALITY CODE JUSTIFICATION	ASDB
COUNTERSINK ANGLE	90.0 DEGREES MINIMUM AND 92.0 DEGREES MAXIMUM
FASTENER LENGTH	60.00 MILLIMETERS NOMINAL
HEAD DIAMETER	29.67 MILLIMETERS MINIMUM AND 30.00 MILLIMETERS MAXIMUM
HEAD STYLE	FLAT COUNTERSUNK
INTERNAL DRIVE STYLE	HEXAGON
MATERIAL DOCUMENT AND CLASSIFICATION	WILLIAMS FAIREY ENGINEERING LTD 720 CLASS G NATIONAL SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIAL	STEEL OVERALL
NOMINAL THREAD DIAMETER	6.00 MILLIMETERS
WIDTH ACROSS FLATS	10.025 MILLIMETERS MINIMUM AND 10.115 MILLIMETERS MAXIMUM
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	MOD NATIONAL SPEC 1ST TREATMENT RESPONSE AND MOD DEFSPEC 03-33 NATIONAL SPEC 2ND TREATMENT RESPONSE OVERALL

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