5305-01-166-2608, SCREW,CAP,SOCKET HEAD

National Stock Number:
5305-01-166-2608

Federal Supply Class:
5305

National Item Identification Number:
011662608

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:

13031342	18876	U S ARMY AVIATION AND MISSILE COMMAND
P37CRBM2.5X.48R6MME	26233	NYLOK LLC
P37CRBM2.5X.48R6MME	59093	NYLOK LLC

Techincal Specification:

EXTERNAL THREAD TOLERANCE CLASS	4H6H
FASTENER LENGTH	7.850 MILLIMETERS NOMINAL
HEAD DIAMETER	4.600 MILLIMETERS MINIMUM AND 4.900 MILLIMETERS MAXIMUM
HEAD HEIGHT	1.840 MILLIMETERS MINIMUM AND 1.860 MILLIMETERS MAXIMUM
HEAD STYLE	PAN
INTERNAL DRIVE STYLE	CROSS RECESS TYPE 1
LOCKING FEATURE	PATCH THREADS
MATERIAL DOCUMENT AND CLASSIFICATION	ASTM A582 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIAL	STEEL OVERALL
NOMINAL THREAD DIAMETER	2.5 MILLIMETERS
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENT	PASSIVATE OVERALL
THREAD DIRECTION	RIGHT-HAND
THREAD LENGTH	5.500 MILLIMETERS MINIMUM AND 6.000 MILLIMETERS MAXIMUM
THREAD SERIES DESIGNATOR	M
THREAD PITCH IN MILLIMETERS	0.48

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