5305-01-289-5003, SETSCREW

National Stock Number:
5305-01-289-5003

Federal Supply Class:
5305

National Item Identification Number:
012895003

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:

SS5242-4

78286

SIKORSKY AIRCRAFT CORPORATION

Techincal Specification:

FASTENER LENGTH	0.403 INCHES MINIMUM AND 0.413 INCHES MAXIMUM
HARDNESS RATING	43.0 ROCKWELL C MINIMUM AND 47.0 ROCKWELL C MAXIMUM FASTENER
HEAD STYLE	HEADLESS (SETSCREW)
INTERNAL DRIVE STYLE	HEXAGON
LOCKING FEATURE	STRIP THREADS
MATERIAL DOCUMENT AND CLASSIFICATION	AISI 4137 ASSN STD 1ST MATERIAL RESPONSE OR MIL-S-6049 MIL SPEC 2ND MATERIAL RESPONSE OR AMS 6322 ASSN STD 2ND MATERIAL RESPONSE FASTENER
MATERIAL	PLASTIC POLYAMIDE NYLON LOCKING FEATURE
MATERIAL	STEEL COMP 4137 OR STEEL COMP 8740 FASTENER
NOMINAL THREAD DIAMETER	0.190 INCHES
POINT DIAMETER	0.120 INCHES MINIMUM AND 0.130 INCHES MAXIMUM
POINT LENGTH	0.123 INCHES MINIMUM AND 0.133 INCHES MAXIMUM
POINT STYLE	DOG
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-P-416 TY2 CL2 FED SPEC SINGLE TREATMENT RESPONSE FASTENER
SURFACE TREATMENT	CADMIUM AND CHROMATE FASTENER
THREAD CLASS	3A
THREAD DIRECTION	RIGHT-HAND
THREAD LENGTH	0.280 INCHES NOMINAL
THREAD SERIES DESIGNATOR	UNF
THREAD QUANTITY PER INCH	32
WIDTH ACROSS FLATS	0.094 INCHES MINIMUM AND 0.095 INCHES MAXIMUM

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