U20766PC6A

View detailed technical data, stock status, and sourcing information for: U20766PC6A
DODParts.com distributes related products varnishes dopes paints, aircraft parts and consumables, electrical parts, fittings and other components for the aerospace and defense industries. Submit the short price quote form for part U20766PC6A to receive an up to date pricing and availability quote by email.

Federal Supply Group

Pumps and Compressors

Federal Supply Classification

4320 Power and Hand Pumps

National Stock Number

4320-00-289-3659

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.

0.875 inches nominal overall length, plain body style, 4.376 inches minimum and 4.377 inches maximum body outside diameter, 3.812 inches nominal body inside diameter, 0.125 inches nominal outside right corner chamfer length

Product Characteristics

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

Body Style: plain
Chamfer Length: 0.125 inches nominal outside right corner
Overall Length: 0.875 inches nominal
Body Outside Diameter: 4.376 inches minimum and 4.377 inches maximum
Body Inside Diameter: 3.812 inches nominal
Corner Shape: chamfered outside right corner
Corner Shape: square outside left corner
Corner Shape: square inside left corner
Corner Shape: square inside right corner
Surface Finish: 125.0 microinches all surfaces
Chamfer Angle: 45.0 degrees nominal outside right corner
Material: copper alloy
Material Document And Classification: mil-b-16261,grade 2-canceled mil spec single material response

Related Parts

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:

Part Number	Name
52-103-442-01	Wearing Ring
52-103-495-00-001	Wearing Ring
52-103-495-01	Wearing Ring
52-103-762PC7	Wearing Ring
52-103-762PC7A	Wearing Ring
52-520-766PC6	Wearing Ring
52-520-766PC6A	Wearing Ring
52-520-768PC6	Wearing Ring
52-520-768PC6A	Wearing Ring
52-520-825PC4	Wearing Ring
52-520-825PC4A	Wearing Ring
52-520-827PC4	Wearing Ring
52-520-827PC4A	Wearing Ring
U20766PC6	Wearing Ring
U20766PC6A	Wearing Ring
U20768PC6	Wearing Ring
U20768PC6A	Wearing Ring
U20825PC4	Wearing Ring
U20825PC4A	Wearing Ring
U20827PC4	Wearing Ring
U20827PC4A	Wearing Ring
U3442-1	Wearing Ring
U3495-1	Wearing Ring
U3762PC7	Wearing Ring
U3762PC7A	Wearing Ring

FAQs

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

What is the FSCG of the NSN 4320-00-289-3659?

The FSCG of the NSN 4320-00-289-3659 is 4320

Does the NSN 4320-00-289-3659 have a Schedule B code assigned?

Yes, the Schedule B code is 8413919520

Does NSN 4320-00-289-3659 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 4320-00-289-3659 contain precious materials?

Precious metal content is unknown

Does NSN 4320-00-289-3659 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 4320-00-289-3659 was assigned to the Federal Catalog?

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