4320-01-381-3899, RING,WEARING

National Stock Number:
4320-01-381-3899

Federal Supply Class:
4320

National Item Identification Number:
013813899

Description:
RING,WEARING

Detail:
A cylindrical item with or without flange(s), designed to be inserted in a pump casing or secured to the impeller of a centrifugal pump. It is used for the purpose of providing a close running clearance between the impeller and casing in order to prevent or overcome leakage due to erosion. It may also be used as a diffuser ring in the suction and discharge throats of valves.

Manufacturer Information:

12089F18	88032	CURTISS-WRIGHT ELECTRO-MECHANICAL CORPORATION
12089F18 ITEM 6	0UBG9	CURTISS-WRIGHT ELECTRO-MECHANICAL CORPORATION
12089F18-6	0UBG9	CURTISS-WRIGHT ELECTRO-MECHANICAL CORPORATION
12089F18-6	88032	CURTISS-WRIGHT ELECTRO-MECHANICAL CORPORATION
12253D18	88032	CURTISS-WRIGHT ELECTRO-MECHANICAL CORPORATION
12089F18 ITEM 6	88032	CURTISS-WRIGHT ELECTRO-MECHANICAL CORPORATION
12253D18 ITEM 6	0UBG9	CURTISS-WRIGHT ELECTRO-MECHANICAL CORPORATION
12260D18	0UBG9	CURTISS-WRIGHT ELECTRO-MECHANICAL CORPORATION
1700D6B	0UBG9	CURTISS-WRIGHT ELECTRO-MECHANICAL CORPORATION
1700D6B	88032	CURTISS-WRIGHT ELECTRO-MECHANICAL CORPORATION
12260D18	88032	CURTISS-WRIGHT ELECTRO-MECHANICAL CORPORATION
12253D18 ITEM 6	88032	CURTISS-WRIGHT ELECTRO-MECHANICAL CORPORATION

Techincal Specification:

MATERIAL	STEEL
MATERIAL DOCUMENT AND CLASSIFICATION	ASTM B367, GR. C-2 ASSN STD SINGLE MATERIAL RESPONSE
BODY STYLE	PLAIN W/INTERNAL FLANGE
OVERALL LENGTH	2.125 INCHES NOMINAL
BOLT CIRCLE DIAMETER	16.125 INCHES NOMINAL
BODY OUTSIDE DIAMETER	17.749 INCHES NOMINAL
BODY INSIDE DIAMETER	17.056 INCHES NOMINAL
INTERNAL FLANGE INSIDE DIAMETER	15.250 INCHES NOMINAL
INTERNAL FLANGE WIDTH	0.600 INCHES NOMINAL
BOLT HOLE QUANTITY	6
UNTHREADED MOUNTING HOLE DIAMETER	0.312 INCHES NOMINAL
CORNER SHAPE	SQUARE INSIDE LEFT CORNER
	SQUARE INSIDE RIGHT CORNER
	SQUARE OUTSIDE LEFT CORNER
	CHAMFERED OUTSIDE RIGHT CORNER
CHAMFER ANGLE	30.0 DEGREES NOMINAL OUTSIDE RIGHT CORNER
CHAMFER LENGTH	0.060 INCHES NOMINAL OUTSIDE RIGHT CORNER
SURFACE FINISH	125.0 MICROINCHES ALL SURFACES
SPECIAL FEATURES	MERCURY FREE TITANIUM CASTING; MOUNTING HOLES C-BORED; 2 HOLES 180.0 DEG APART THREADED 0.38-16 UNC-3B; 2 PRY SLOTS 180.0 DEG APART

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