2805-00-273-0393

Find complete technical information, availability, and procurement data for: 2805-00-273-0393
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Federal Supply Group

Engines, Turbines, and Components

Federal Supply Classification

2805 Except Aircraft; and Components Gasoline Reciprocating Engines

National Stock Number

2805-00-273-0393

Item Name Code

11459

Assigment Date

01/01/1963 (63 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.

concentric ring style, straight face, bottom relief cross-sectional shape style, 0.1600 inches nominal radial wall thickness, 0.1237 inches nominal overall width, 4.000 inches standard bore diameter

Product Characteristics

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

Cross-Sectional Shape Style: straight face, bottom relief
Ring Style: concentric
Radial Wall Thickness: 0.1600 inches nominal
Overall Width: 0.1237 inches nominal
Standard Bore Diameter: 4.000 inches
Joint Style: vertical joint
Material: iron overall
Fsc Application Data: gasoline engine,nonaircraft

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
2805-00-448-3484	No Name Available	01/01/1960

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
18-188	Piston Ring

FAQs

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

What is the FSCG of the NSN 2805-00-273-0393?

The FSCG of the NSN 2805-00-273-0393 is 2805

Does the NSN 2805-00-273-0393 have a Schedule B code assigned?

Yes, the Schedule B code is 8409918000

Does NSN 2805-00-273-0393 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 2805-00-273-0393 contain precious materials?

Precious metal content is unknown

Does NSN 2805-00-273-0393 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 2805-00-273-0393 was assigned to the Federal Catalog?

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