5305-01-354-3718, SETSCREW

5305-01-354-3717 SCREW,EXTERNALLY RELIEVED BODY

National Stock Number:
5305-01-354-3718

Federal Supply Class:
5305

National Item Identification Number:
013543718

Description:
SETSCREW

Detail:
An externally threaded device whose threaded portion is of one nominal diameter with or without a head and having a cup, cone, or other type of machined point designed to prevent or restrict relative movement of parts and designed to be driven with either a wrench or inserted driver. A locking feature may be incorporated in the design of the head or threads.

Manufacturer Information:

FF-S-200	81348	FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC
MS18066-53	96906	MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M

Techincal Specification:

FASTENER LENGTH	0.615 INCHES MINIMUM AND 0.635 INCHES MAXIMUM
HARDNESS RATING	35.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM FASTENER
HEAD STYLE	HEADLESS (SETSCREW)
INTERNAL DRIVE STYLE	HEXAGON
LOCKING FEATURE	PATCH OR PELLET OR STRIP THREADS
MATERIAL DOCUMENT AND CLASSIFICATION	66 FED STD ALL MATERIAL RESPONSES FASTENER
MATERIAL	PLASTIC POLYAMIDE LOCKING FEATURESTEEL COMP 302 OR STEEL COMP 303 OR STEEL COMP 304 OR STEEL COMP 316 FASTENER
NOMINAL THREAD DIAMETER	0.500 INCHES
NONDEFINITIVE SPEC/STD DATA	1 TYPE AND 1 STYLE
POINT STYLE	FLAT
WIDTH ACROSS FLATS	0.250 INCHES MINIMUM AND 0.252 INCHES MAXIMUM
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE FASTENER
SURFACE TREATMENT	PASSIVATE FASTENER
THREAD CLASS	3A
THREAD DIRECTION	RIGHT-HAND
THREAD SERIES DESIGNATOR	UNF
THREAD QUANTITY PER INCH	20

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