118679

View detailed technical data, stock status, and sourcing information for: 118679
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Federal Supply Group

Engines, Turbines, and Components

Federal Supply Classification

2815 Diesel Engines and Components

National Stock Number

2815-00-091-8035

Item Name Code

42140

Assigment Date

01/01/1961 (65 years ago)

A metal ring designed to provide a seating surface for a valve, poppet, engine it is made of special high-grade alloy metal that can withstand high operating temperatures. For fluid valves, see seat, valve.

0.995 inches minimum and 1.000 inches maximum body inside diameter, flat seating surface shape, 0.217 inches minimum and 0.219 inches maximum overall height, 50.0 rockwell c minimum and 60.0 rockwell c maximum overall hardness rating, 1.253 inches minimum and 1.254 inches maximum body outside diameter

Product Characteristics

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

Overall Height: 0.217 inches minimum and 0.219 inches maximum
Body Outside Diameter: 1.253 inches minimum and 1.254 inches maximum
Body Inside Diameter: 0.995 inches minimum and 1.000 inches maximum
Hardness Rating: 50.0 rockwell c minimum and 60.0 rockwell c maximum overall
Seating Surface Shape: flat
Material: cobalt comp 3 overall
Style Designator: plain

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
118679	Engine Valve Seat Insert
S-2568-1	Engine Valve Seat Insert

FAQs

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

What is the FSCG of the NSN 2815-00-091-8035?

The FSCG of the NSN 2815-00-091-8035 is 2815

Does the NSN 2815-00-091-8035 have a Schedule B code assigned?

Yes, the Schedule B code is 8409998000

Does NSN 2815-00-091-8035 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 2815-00-091-8035 contain precious materials?

Item does not contain precious metal.

Does NSN 2815-00-091-8035 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 2815-00-091-8035 was assigned to the Federal Catalog?

It was assigned 65 years ago, on Sun, Jan 1, 1961