9Y4004

View detailed technical data, stock status, and sourcing information for: 9Y4004
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Federal Supply Group

Engines, Turbines, and Components

Federal Supply Classification

2815 Diesel Engines and Components

National Stock Number

2815-01-456-6966

Item Name Code

16509

Assigment Date

06/23/1998 (28 years ago)

A nonmetallic circular item with an aperature, having a solid round cross-section. They are used primarily for sealing. For items with other than round cross section, see packing,preformed. For noncircular items with a round cross-section, see seal,nonmetallic round section and rubber,round section.

cavity head style, 3 ring groove quantity, included oil groove, caterpillar, marine engine, model 3406b end item identification, solid skirt type

Product Characteristics

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

Head Style: cavity
End Item Identification: caterpillar, marine engine, model 3406b
Skirt Type: solid
Ring Groove Quantity: 3
Oil Groove: included
Pin Hole Bushing: not included
Retaining Ring Groove: included
Pin: not included
Pin Type For Which Designed: floating
Ring: not included
Carbon Groove: not included

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
2815-01-177-3784	No Name Available	02/01/2025

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
378-0509	Internal Combustion Engin Piston
9Y4004	Internal Combustion Engin Piston

FAQs

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

What is the FSCG of the NSN 2815-01-456-6966?

The FSCG of the NSN 2815-01-456-6966 is 2815

Does the NSN 2815-01-456-6966 have a Schedule B code assigned?

Yes, the Schedule B code is 8409998000

Does NSN 2815-01-456-6966 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 2815-01-456-6966 contain precious materials?

Item does not contain precious metal.

Does NSN 2815-01-456-6966 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 2815-01-456-6966 was assigned to the Federal Catalog?

It was assigned 28 years ago, on Tue, Jun 23, 1998