5305-01-413-7408, SCREW,CAP,SOCKET HEAD

National Stock Number:
5305-01-413-7408

Federal Supply Class:
5305

National Item Identification Number:
014137408

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:

5/8-11UNC-2A X 1 3/4IN. LG.	80204	AMERICAN NATIONAL STANDARDS INSTITUTE INCORPORATED
FF-S-86	81348	FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC

Techincal Specification:

COUNTERSINK ANGLE	80.0 DEGREES MINIMUM AND 84.0 DEGREES MAXIMUM
FASTENER LENGTH	1.750 INCHES NOMINAL
HARDNESS RATING	42.0 ROCKWELL C NOMINAL FASTENER
HEAD DIAMETER	1.112 INCHES MINIMUM AND 1.188 INCHES MAXIMUM
HEAD STYLE	FLAT COUNTERSUNK
INTERNAL DRIVE STYLE	HEXAGON
LOCKING FEATURE	PATCH OR STRIP OR PELLET THREADS
MATERIAL DOCUMENT AND CLASSIFICATION	QQ-N-281, CLA FED SPEC SINGLE MATERIAL RESPONSE FASTENER
MATERIAL	PLASTIC POLYAMIDE NYLON LOCKING FEATURE
MATERIAL	NICKEL ALLOY 400 FASTENER
MINIMUM TENSILE STRENGTH	80000 POUNDS PER SQUARE INCH
MINIMUM YIELD STRENGTH	40000 POUNDS PER SQUARE INCH
NOMINAL THREAD DIAMETER	0.625 INCHES
NONDEFINITIVE SPEC/STD DATA	IV TYPE
WIDTH ACROSS FLATS	0.375 INCHES NOMINAL
THREAD CLASS	2A
THREAD QUANTITY PER INCH	11
THREAD SERIES DESIGNATOR	UNIFIED NATIONAL COARSE (UNC)

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