A48318-1

View detailed technical data, stock status, and sourcing information for: A48318-1
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Federal Supply Group

Engines, Turbines, and Components

Federal Supply Classification

2815 Diesel Engines and Components

National Stock Number

2815-00-231-5719

Item Name Code

11459

Assigment Date

10/19/1970 (55 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.

0.141 inches nominal smallest radial wall thickness, 3.703 inches standard bore diameter, eccentric ring style, vertical joint joint style, 0.188 inches nominal largest radial wall thickness

Product Characteristics

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

Ring Style: eccentric
Largest Radial Wall Thickness: 0.188 inches nominal
Smallest Radial Wall Thickness: 0.141 inches nominal
Standard Bore Diameter: 3.703 inches
Joint Style: vertical joint

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
A48318-1	Piston Ring

FAQs

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

What is the FSCG of the NSN 2815-00-231-5719?

The FSCG of the NSN 2815-00-231-5719 is 2815

Does the NSN 2815-00-231-5719 have a Schedule B code assigned?

Yes, the Schedule B code is 8409998000

Does NSN 2815-00-231-5719 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 2815-00-231-5719 contain precious materials?

Precious metal content is unknown

Does NSN 2815-00-231-5719 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 2815-00-231-5719 was assigned to the Federal Catalog?

It was assigned 55 years ago, on Mon, Oct 19, 1970