2805-00-540-7544

Find complete technical information, availability, and procurement data for: 2805-00-540-7544
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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

2805-00-540-7544

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.

0.1080 inches minimum and 0.1280 inches maximum radial wall thickness, 2.875 inches standard bore diameter, 0.1860 inches nominal overall width, plain rectangular, straight face cross-sectional shape style, concentric ring style

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 rectangular, straight face
Ring Style: concentric
Radial Wall Thickness: 0.1080 inches minimum and 0.1280 inches maximum
Overall Width: 0.1860 inches nominal
Standard Bore Diameter: 2.875 inches
Joint Style: step joint
Material: iron overall
Fsc Application Data: power drives,guided missile launcher

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
1778675	Piston Ring

FAQs

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

What is the FSCG of the NSN 2805-00-540-7544?

The FSCG of the NSN 2805-00-540-7544 is 2805

Does the NSN 2805-00-540-7544 have a Schedule B code assigned?

Yes, the Schedule B code is 8409918000

Does NSN 2805-00-540-7544 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 2805-00-540-7544 contain precious materials?

Item does not contain precious metal.

Does NSN 2805-00-540-7544 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 2805-00-540-7544 was assigned to the Federal Catalog?

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