5306-01-130-9881, BOLT,ECCENTRIC HEAD

National Stock Number:
5306-01-130-9881

Federal Supply Class:
5306

National Item Identification Number:
011309881

Description:
BOLT,ECCENTRIC HEAD

Detail:
AN EXTERNALLY THREADED FASTENER THE HEAD OF WHICH IS USUALLY FLAT WITH A PERIPHERY NOT CONCENTRIC TO THE BOLT SHANK. THE HEAD IS NOT DESIGNED FOR WRENCHING. IT MAY HAVE A DRIVE FEATURE LOCATED AT THE THREADED END, WHICH CAN BE USED TO ROTATE THE SCREW AND ECCENTRIC HEAD INTO A LOCKING POSITION TO SECURE A FLANGED OR GROOVE COMPONENT.

Manufacturer Information:

10115834	A486G	NIMIKKEISTOKESKUS NCB FINLAND
181841-1	71791	CURTISS-WRIGHT CONTROLS, INC.

Techincal Specification:

DISTANCE FROM CENTER OF HEAD TO CENTER OF SHANK	0.057 INCHES MINIMUM AND 0.067 INCHES MAXIMUM
FASTENER LENGTH	0.810 INCHES NOMINAL
HARDNESS RATING	25.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM OVERALL
HEAD DIAMETER	0.373 INCHES MINIMUM AND 0.374 INCHES MAXIMUM
HEAD HEIGHT	0.180 INCHES NOMINAL
HEAD STYLE	FLAT CHAMFER
INTERNAL DRIVE STYLE	SLOT
MATERIAL DOCUMENT AND CLASSIFICATION	MIL-S-6758 MIL SPEC SINGLE MATERIAL RESPONSE OR AMS 6370 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIAL	STEEL COMP 4130 OVERALL
NOMINAL THREAD DIAMETER	0.190 INCHES
SPECIAL FEATURES	END SLOTTED 0.030 IN. WIDE BY 0.040 IN. DEEP
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-P-416 TYPE 2 CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENT	CADMIUM AND CHROMATE OVERALL
THREAD CLASS	3A
THREAD DIRECTION	RIGHT-HAND
THREAD QUANTITY PER INCH	32
THREAD SERIES DESIGNATOR	UNF

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