2805-00-138-3977

Find complete technical information, availability, and procurement data for: 2805-00-138-3977
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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

2805-00-138-3977

Item Name Code

16116

Assigment Date

07/28/1971 (55 years ago)

Two or more complete ring, piston grouped for a single piston or for all pistons of an internal combustion engine, air compressor, or the like.

compression ring 2,rail ring 2,expander ring 1 ring set component parts, 1 piston accommodation quantity, 3.938 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.

Standard Bore Diameter: 3.938 inches
Piston Accommodation Quantity: 1
Ring Set Component Parts: compression ring 2,rail ring 2,expander ring 1

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
2805-00-438-1554	No Name Available	07/01/1980
2805-00-960-0519	No Name Available	09/01/1980

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
151867R92	Piston Ring Set
475570C91	Piston Ring Set
865899R92	Piston Ring Set

FAQs

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

What is the FSCG of the NSN 2805-00-138-3977?

The FSCG of the NSN 2805-00-138-3977 is 2805

Does the NSN 2805-00-138-3977 have a Schedule B code assigned?

Yes, the Schedule B code is 8409918000

Does NSN 2805-00-138-3977 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 2805-00-138-3977 contain precious materials?

Precious metal content is unknown

Does NSN 2805-00-138-3977 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 2805-00-138-3977 was assigned to the Federal Catalog?

It was assigned 55 years ago, on Wed, Jul 28, 1971