647P

View detailed technical data, stock status, and sourcing information for: 647P
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Federal Supply Group

Pumps and Compressors

Federal Supply Classification

4320 Power and Hand Pumps

National Stock Number

4320-00-398-8101

Item Name Code

22534

Assigment Date

01/01/1963 (63 years ago)

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.

1.110 inches nominal overall length, 5.728 inches nominal body inside diameter, 6.370 inches nominal body outside diameter, internal flange w/external locking flange body style, 0.312 inches nominal inside right corner corner radius

Product Characteristics

Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.

Body Style: internal flange w/external locking flange
Overall Length: 1.110 inches nominal
Body Outside Diameter: 6.370 inches nominal
Body Inside Diameter: 5.728 inches nominal
Corner Radius: 0.312 inches nominal inside right corner
Left Side Flange Thickness: 0.220 inches nominal
Right Side Flange Thickness: 0.265 inches nominal
Distance Between Flanges: 0.625 inches nominal
End To Flange Distance: 0.875 inches nominal
Internal Flange Inside Diameter: 4.230 inches nominal
Internal Flange Outside Diameter: 5.278 inches nominal
Internal Flange Width: 0.760 inches nominal
Internal Flange Lip Width: 0.500 inches nominal
Smallest External Anchor Flange Radius: 3.085 inches nominal
Largest External Anchor Flange Radius: 3.308 inches nominal
Distance Below Centerline: 0.027 inches nominal
Distance From End: 0.375 inches nominal
Corner Shape: round inside right corner
Corner Shape: square outside left corner
Corner Shape: square inside left corner
Corner Shape: square outside right corner
Material: copper alloy

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This NSN group includes multiple components designed to meet specific performance and operational standards. Each listing provides detailed specs, functionality data, and replacement compatibility information:

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254983Q	Wearing Ring
446P	Wearing Ring
473P	Wearing Ring
622P	Wearing Ring
647P	Wearing Ring
SL4923PC71	Wearing Ring
SL4926PC71	Wearing Ring
SL4980PC71	Wearing Ring
SL4983PC71	Wearing Ring
SL5989PC71	Wearing Ring
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SL6091PC71	Wearing Ring
SL6506PC71	Wearing Ring
SL6509PC71	Wearing Ring

FAQs

Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.

What is the FSCG of the NSN 4320-00-398-8101?

The FSCG of the NSN 4320-00-398-8101 is 4320

Does the NSN 4320-00-398-8101 have a Schedule B code assigned?

Yes, the Schedule B code is 8413919520

Does NSN 4320-00-398-8101 require demilitarization?

Items subject to the export administration regulations (ear) in parts 730-774 of title 15, code of federal regulations (cfr) (ccli or ear99) and determined by dod to present a low risk when released out of dod control. No demil, mut, or end use certificate is required. May require an export licensefrom doc.

Does NSN 4320-00-398-8101 contain precious materials?

Precious metal content is unknown

Does NSN 4320-00-398-8101 contain hazardous materials?

Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.

When the NSN 4320-00-398-8101 was assigned to the Federal Catalog?

It was assigned 63 years ago, on Tue, Jan 1, 1963