4320-01-500-6978, RING,WEARING

7010-01-500-6979 COMPUTER SYSTEM,DIGITAL

National Stock Number:
4320-01-500-6978

Federal Supply Class:
4320

National Item Identification Number:
015006978

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:

0654C0722S902A	63857	CIRCOR NAVAL SOLUTIONS LLC
654C0722	63857	CIRCOR NAVAL SOLUTIONS LLC

Techincal Specification:

DISTANCE BELOW CENTERLINE	0.190 INCHES NOMINAL
DISTANCE BETWEEN FLANGES	0.626 INCHES MINIMUM AND 0.630 INCHES MAXIMUM
DISTANCE FROM END	0.280 INCHES NOMINAL
BODY INSIDE DIAMETER	4.375 INCHES NOMINAL
BODY OUTSIDE DIAMETER	5.245 INCHES MINIMUM AND 5.249 INCHES MAXIMUM
BODY STYLE	INTERNAL FLANGE W/EXTERNAL LOCKING FLANGE
CHAMFER ANGLE	45.0 DEGREES NOMINAL ALL CORNERS
CHAMFER LENGTH	0.030 INCHES NOMINAL ALL CORNERS
CORNER SHAPE	CHAMFERED ALL CORNERS
END TO FLANGE DISTANCE	1.000 INCHES NOMINAL
INTERNAL FLANGE INSIDE DIAMETER	3.500 INCHES NOMINAL
INTERNAL FLANGE LIP WIDTH	0.280 INCHES NOMINAL
INTERNAL FLANGE OUTSIDE DIAMETER	4.037 INCHES NOMINAL
INTERNAL FLANGE WIDTH	0.560 INCHES NOMINAL
LARGEST EXTERNAL ANCHOR FLANGE RADIUS	2.810 INCHES NOMINAL
LEFT SIDE FLANGE THICKNESS	0.190 INCHES NOMINAL
III MATERIAL	PLASTIC PHENOLIC AND PLASTIC
PROPRIETARY CHARACTERISTICS	PACS
OVERALL LENGTH	1.000 INCHES NOMINAL
RIGHT SIDE FLANGE THICKNESS	0.190 INCHES NOMINAL
SMALLEST EXTERNAL ANCHOR FLANGE RADIUS	2.530 INCHES NOMINAL
SPECIAL FEATURES	SIMSITE GRADE 302 PHENOLIC LAMINATE OR GRADE 375 EPOXY LAMINATE MATERIAL
SURFACE FINISH	50.0 MICROINCHES ALL SURFACES

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