9L2309

View detailed technical data, stock status, and sourcing information for: 9L2309
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Federal Supply Group

Engines, Turbines, and Components

Federal Supply Classification

2815 Diesel Engines and Components

National Stock Number

2815-00-851-7176

Item Name Code

16509

Assigment Date

11/18/1966 (59 years ago)

A length of tubing, straight, or prebent to a predetermined angle, with added component(s) that forms an end connection on one or both ends. For flexible tube assemblies, see hose assembly (as modified). For items having perforations in the tubing or attachments, see tube assembly, fire extinguishing system. Excludes:items having integral preformed or plain ends, tube, bent (as modified), and items which are branched or forked.

4.500 inches nominal diameter, 5.498 inches nominal overall height, hole oil passage type, 1.6980 inches nominal pinhole diameter, concave head style

Product Characteristics

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

Head Style: concave
Overall Height: 5.498 inches nominal
Diameter: 4.500 inches nominal
Oil Passage Type: hole
Pinhole Diameter: 1.6980 inches nominal
Surface Finish: finished
Finished Size Designation: standard
Skirt Type: solid
Skirt Bottom Cutaway Feature: not included
Ring Groove Quantity: 3
Ring Groove Width: 0.2230 inches nominal 3rd ring
Ring Groove Width: 0.1000 inches nominal 2nd ring
Ring Groove Width: 0.1300 inches nominal 1st ring
Ring Groove Diameter: 3.622 inches nominal 3rd ring
Ring Groove Diameter: 4.040 inches nominal 1st ring
Ring Groove Diameter: 4.040 inches nominal 2nd ring
Oil Groove: included
Distance From Pin Hole Center To Extreme Top: 3.766 inches nominal
Pin Hole Bushing: not included
Distance Between Pin Bosses: 1.625 inches nominal
Retaining Ring Groove: included
Pin: not included
Pin Type For Which Designed: floating
Ring: not included
Carbon Groove: not included
Material: aluminum alloy
Weight: 72.0 ounces

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
9L2309	Internal Combustion Engin Piston

FAQs

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

What is the FSCG of the NSN 2815-00-851-7176?

The FSCG of the NSN 2815-00-851-7176 is 2815

Does the NSN 2815-00-851-7176 have a Schedule B code assigned?

Yes, the Schedule B code is 8409998000

Does NSN 2815-00-851-7176 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 2815-00-851-7176 contain precious materials?

Precious metal content is unknown

Does NSN 2815-00-851-7176 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 2815-00-851-7176 was assigned to the Federal Catalog?

It was assigned 59 years ago, on Fri, Nov 18, 1966