4320-00-398-5491

Find complete technical information, availability, and procurement data for: 4320-00-398-5491
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Federal Supply Group

Pumps and Compressors

Federal Supply Classification

4320 Power and Hand Pumps

National Stock Number

4320-00-398-5491

Item Name Code

22534

Assigment Date

01/01/1963 (63 years ago)

4.011 inches minimum and 4.012 inches maximum body outside diameter, 3.750 inches minimum and 3.751 inches maximum body inside diameter, 0.688 inches nominal overall length, 3.740 inches minimum and 3.745 inches maximum internal flange inside diameter, plain w/internal flange body style

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 w/internal flange
Overall Length: 0.688 inches nominal
Body Outside Diameter: 4.011 inches minimum and 4.012 inches maximum
Body Inside Diameter: 3.750 inches minimum and 3.751 inches maximum
Internal Flange Inside Diameter: 3.740 inches minimum and 3.745 inches maximum
Internal Flange Width: 0.109 inches nominal
Corner Shape: square all corners
Material: nickel alloy

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
4320-00-398-5126	No Name Available	01/01/1963

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
08-101-726-00-002	Wearing Ring
08-500-020-01IT3M17	Wearing Ring
08-500-020-01ITEM17	Wearing Ring
H4320-398-5491	Wearing Ring

FAQs

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

What is the FSCG of the NSN 4320-00-398-5491?

The FSCG of the NSN 4320-00-398-5491 is 4320

Does the NSN 4320-00-398-5491 have a Schedule B code assigned?

Yes, the Schedule B code is 8413919520

Does NSN 4320-00-398-5491 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 4320-00-398-5491 contain precious materials?

Precious metal content is unknown

Does NSN 4320-00-398-5491 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 4320-00-398-5491 was assigned to the Federal Catalog?

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