4320-00-997-9889

Find complete technical information, availability, and procurement data for: 4320-00-997-9889
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Federal Supply Group

Pumps and Compressors

Federal Supply Classification

4320 Power and Hand Pumps

National Stock Number

4320-00-997-9889

Item Name Code

22534

Assigment Date

11/16/1966 (59 years ago)

A circular, single or multipiece item, metallic or nonmetallic in composition, designed to be fitted in a circumferential groove in a piston and to spring outward against the cylinder wall to function as a seal or wiper. It is supplied in various cross-sectional shapes and is cut through at one point to allow for installation in the piston ring groove. It may include an expander. Excludes:packing, preformed; retainer, oil seal; retainer, packing; ring, retaining; ring wiper; and seal ring, metal.

5.455 inches nominal body outside diameter, 0.875 inches nominal overall length, 4.250 inches nominal body inside diameter, steel material

Product Characteristics

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

Overall Length: 0.875 inches nominal
Body Outside Diameter: 5.455 inches nominal
Body Inside Diameter: 4.250 inches nominal
Material: steel

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
2815-00-379-1578	No Name Available	03/20/1968

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
C-AG54509C	Wearing Ring
CAFB4509C	Wearing Ring

FAQs

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

What is the FSCG of the NSN 4320-00-997-9889?

The FSCG of the NSN 4320-00-997-9889 is 4320

Does the NSN 4320-00-997-9889 have a Schedule B code assigned?

Yes, the Schedule B code is 8413919520

Does NSN 4320-00-997-9889 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 4320-00-997-9889 contain precious materials?

Precious metal content is unknown

Does NSN 4320-00-997-9889 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 4320-00-997-9889 was assigned to the Federal Catalog?

It was assigned 59 years ago, on Wed, Nov 16, 1966