ZD129A300

View detailed technical data, stock status, and sourcing information for: ZD129A300
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Federal Supply Group

Engines, Turbines, and Components

Federal Supply Classification

2815 Diesel Engines and Components

National Stock Number

2815-00-339-4663

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, plain keystone, straight radii face cross-sectional shape style, 0.1225 inches minimum and 0.1240 inches maximum overall width, 3.250 inches standard bore diameter, 0.1370 inches minimum and 0.1470 inches maximum 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.

Cross-Sectional Shape Style: plain keystone, straight radii face
Ring Style: concentric
Radial Wall Thickness: 0.1370 inches minimum and 0.1470 inches maximum
Overall Width: 0.1225 inches minimum and 0.1240 inches maximum
Standard Bore Diameter: 3.250 inches
Joint Style: vertical joint
Features Provided: wearing edges beveled
Material: iron overall
Surface Treatment: chromium overall

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
ZD129A300	Piston Ring

FAQs

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

What is the FSCG of the NSN 2815-00-339-4663?

The FSCG of the NSN 2815-00-339-4663 is 2815

Does the NSN 2815-00-339-4663 have a Schedule B code assigned?

Yes, the Schedule B code is 8409998000

Does NSN 2815-00-339-4663 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 2815-00-339-4663 contain precious materials?

Precious metal content is unknown

Does NSN 2815-00-339-4663 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 2815-00-339-4663 was assigned to the Federal Catalog?

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