4320-01-549-0528

Find complete technical information, availability, and procurement data for: 4320-01-549-0528
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Federal Supply Group

Pumps and Compressors

Federal Supply Classification

4320 Power and Hand Pumps

National Stock Number

4320-01-549-0528

Item Name Code

10089

Assigment Date

03/09/2007 (19 years ago)

A nut, flat on top and bottom having 6 flat sides. For items which have internal tapered or straight (parallel) pipe threads, specific electrical conduit size designation, and which when installed, provide a method of tightening to lock the connection, see locknut, electrical conduit. See also locknut, tube fitting. For items having a thickness (or height) exceeding two times the width across the flats, use post, electrical-mechanical equipment. (when height or thickness and/or width across the flats is designated as a tolerance dimension, the maximum dimension will be used to determine compliance.)

4.250 inches nominal overall diameter, salt water pump, 998-1205-a-02 end item identification, 1 keyway quantity, 0.094 inches nominal keyway depth, 0.187 inches nominal keyway width

Product Characteristics

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

Keyway Width: 0.187 inches nominal
Keyway Depth: 0.094 inches nominal
Overall Diameter: 4.250 inches nominal
Keyway Quantity: 1
End Item Identification: salt water pump, 998-1205-a-02
Mounting Method: key and setscrew
Hub Quantity: 1
Keyway Type: square
Criticality Code Justification: feat
Part Name Assigned By Controlling Agency: impeller
Special Features: military critical, export control; 1.25 x 1 - 5 pump; attached by key, bolt and washer
Material: copper 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
"003-1005A01-250 4.25" DIA"	Centrifugal Pump Impeller
999-1205-A-02 IT 2	Centrifugal Pump Impeller

FAQs

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

What is the FSCG of the NSN 4320-01-549-0528?

The FSCG of the NSN 4320-01-549-0528 is 4320

Does the NSN 4320-01-549-0528 have a Schedule B code assigned?

Yes, the Schedule B code is 8413919520

Does NSN 4320-01-549-0528 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 4320-01-549-0528 contain precious materials?

Item does not contain precious metal.

Does NSN 4320-01-549-0528 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 4320-01-549-0528 was assigned to the Federal Catalog?

It was assigned 19 years ago, on Fri, Mar 9, 2007