NC-16660

View detailed technical data, stock status, and sourcing information for: NC-16660
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Federal Supply Group

Pumps and Compressors

Federal Supply Classification

4320 Power and Hand Pumps

National Stock Number

4320-01-181-8580

Item Name Code

10089

Assigment Date

06/16/1984 (42 years ago)

A device designed to prevent foreign particles from entering the air intake system of an internal combustion engine or air compressor. Excludes:mufflers.

0.188 inches nominal keyway width, 0.103 inches nominal keyway depth, 1.750 inches nominal overall width, 6.000 inches nominal overall diameter, 1 keyway quantity

Product Characteristics

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

Overall Width: 1.750 inches nominal
Keyway Width: 0.188 inches nominal
Keyway Depth: 0.103 inches nominal
Overall Diameter: 6.000 inches nominal
Keyway Quantity: 1
Keyway Length: 1.375 inches nominal
Blade Quantity: 5
Hub Length: 1.375 inches nominal
Blade Type: backward curve
Design Type: single width
Mounting Method: key
Rotation Direction For Which Designed: clockwise
Hub Bore Diameter: 0.688 inches nominal
Hub Location: single inside offset
Hub Quantity: 1
Hub Projection Length Beyond Wheel Side: 0.094 inches nominal
Keyway Type: straight
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
999R0335PIECE34	Centrifugal Pump Impeller
A673	Centrifugal Pump Impeller
NC-16660	Centrifugal Pump Impeller
NC16660-6IN	Centrifugal Pump Impeller

FAQs

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

What is the FSCG of the NSN 4320-01-181-8580?

The FSCG of the NSN 4320-01-181-8580 is 4320

Does the NSN 4320-01-181-8580 have a Schedule B code assigned?

Yes, the Schedule B code is 8413919520

Does NSN 4320-01-181-8580 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 4320-01-181-8580 contain precious materials?

Item does not contain precious metal.

Does NSN 4320-01-181-8580 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 4320-01-181-8580 was assigned to the Federal Catalog?

It was assigned 42 years ago, on Sat, Jun 16, 1984