5305-01-406-9183, SCREW,CAP,SOCKET HEAD

National Stock Number:
5305-01-406-9183

Federal Supply Class:
5305

National Item Identification Number:
014069183

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:

B18.3-3/8UNC-2AX3.75LGCSHDNICAL	80204	AMERICAN NATIONAL STANDARDS INSTITUTE INCORPORATED
FF-S-86	81348	FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC
FF-S-86 0.375-1 6UNC-2A X3.750L	D9182	ZF INDUSTRIEANTRIEBE WITTEN GMBH
FFS86 CL-A 82 D EG CSK HEX HEAD	D9182	ZF INDUSTRIEANTRIEBE WITTEN GMBH

Techincal Specification:

COUNTERSINK ANGLE	80.0 DEGREES MINIMUM AND 84.0 DEGREES MAXIMUM
FASTENER LENGTH	3.690 INCHES MINIMUM AND 3.750 INCHES MAXIMUM
HEAD DIAMETER	0.720 INCHES MINIMUM AND 0.781 INCHES MAXIMUM
HEAD STYLE	FLAT COUNTERSUNK
INTERNAL DRIVE STYLE	HEXAGON
LOCKING FEATURE	PATCH OR STRIP THREADS
MATERIAL DOCUMENT AND CLASSIFICATION	MIL-F-18240 MIL SPEC SINGLE MATERIAL RESPONSE LOCKING FEATURE
MATERIAL DOCUMENT AND CLASSIFICATION	QQ-N-286, CLASS A FED SPEC SINGLE MATERIAL RESPONSE FASTENER
MATERIAL	NICKEL ALLOY K-500 FASTENER
MATERIAL	PLASTIC POLYAMIDE NYLON LOCKING FEATURE
MINIMUM YIELD STRENGTH	90000 POUNDS PER SQUARE INCH
MINIMUM TENSILE STRENGTH	130000 POUNDS PER SQUARE INCH
NOMINAL THREAD DIAMETER	0.375 INCHES
WIDTH ACROSS FLATS	0.312 INCHES NOMINAL
THREAD CLASS	2A
THREAD DIRECTION	RIGHT-HAND
THREAD LENGTH	1.256 INCHES MINIMUM AND 1.560 INCHES MAXIMUM
THREAD QUANTITY PER INCH	16
THREAD SERIES DESIGNATOR	UNIFIED NATIONAL COARSE (UNC)

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