657D1180

View detailed technical data, stock status, and sourcing information for: 657D1180
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Federal Supply Group

Pumps and Compressors

Federal Supply Classification

4320 Power and Hand Pumps

National Stock Number

4320-01-225-5931

Item Name Code

10089

Assigment Date

02/04/1986 (40 years ago)

A brake consisting essentially of the following: a. A torque spider which is a disklike metal part designed to fit over and be attached to the torque flange of the axle. B. One or more brake shoes with brake lining attached. C. A hydraulic cylinder(s) or mechanical linkage to provide the force by which the brake shoe is pressed against the brake drum.

back side hub location, 9.500 inches nominal overall diameter, clockwise rotation direction for which designed, 1 keyway quantity, key mounting method

Product Characteristics

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

Overall Diameter: 9.500 inches nominal
Keyway Quantity: 1
Mounting Method: key
Rotation Direction For Which Designed: clockwise
Hub Location: back side
Hub Quantity: 1
Keyway Type: rectangular
Special Features: second stage
Material: nickel alloy

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
657D1180	Centrifugal Pump Impeller
999R0336	Centrifugal Pump Impeller
999R0336 PIECE 13	Centrifugal Pump Impeller

FAQs

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

What is the FSCG of the NSN 4320-01-225-5931?

The FSCG of the NSN 4320-01-225-5931 is 4320

Does the NSN 4320-01-225-5931 have a Schedule B code assigned?

Yes, the Schedule B code is 8413919520

Does NSN 4320-01-225-5931 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 4320-01-225-5931 contain precious materials?

Item does not contain precious metal.

Does NSN 4320-01-225-5931 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 4320-01-225-5931 was assigned to the Federal Catalog?

It was assigned 40 years ago, on Tue, Feb 4, 1986