4720-00-903-6693 HOSE ASSEMBLY,NONMETALLIC Index 4730-00-903-6698 ADAPTER,STRAIGHT,FLANGE TO HOSE

National Stock Number:
4320-00-903-6694

Federal Supply Class:
4320

National Item Identification Number:
009036694

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:
540-011-411-380070LOCKHEED MARTIN CORPORATION
540-011-411-397499BELL TEXTRON INC


Techincal Specification:
BODY INSIDE DIAMETER8.990 INCHES MINIMUM AND 9.010 INCHES MAXIMUM
BODY OUTSIDE DIAMETER9.252 INCHES MINIMUM AND 9.257 INCHES MAXIMUM
BODY STYLEPLAIN W/INTERNAL FLANGE
BOLT CIRCLE DIAMETER8.307 INCHES MINIMUM AND 8.317 INCHES MAXIMUM
BOLT HOLE QUANTITY16
CORNER SHAPESQUARE ALL CORNERS
INTERNAL FLANGE INSIDE DIAMETER7.770 INCHES MINIMUM AND 7.790 INCHES MAXIMUM
INTERNAL FLANGE WIDTH0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM
OVERALL LENGTH0.490 INCHES MINIMUM AND 0.510 INCHES MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-250/4,T351 FED SPEC SINGLE MATERIAL RESPONSE
MATERIALALUMINUM ALLOY 2024
UNTHREADED MOUNTING HOLE DIAMETER0.264 INCHES MINIMUM AND 0.271 INCHES MAXIMUM
SURFACE FINISH63.0 MICROINCHES COUNTERBORE
SURFACE FINISH63.0 MICROINCHES INSIDE
SURFACE FINISH63.0 MICROINCHES LEFT FACE
SURFACE FINISH63.0 MICROINCHES RIGHT FACE
SURFACE FINISH8.0 MICROINCHES OUTSIDE


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