2805-00-374-4109

Find complete technical information, availability, and procurement data for: 2805-00-374-4109
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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

2805-00-374-4109

Item Name Code

42140

Assigment Date

01/01/1963 (63 years ago)

44.750 minimum and 45.250 maximum seat angle in deg, 0.435 inches minimum and 0.437 inches maximum overall height, 38.0 rockwell c minimum body hardness rating, 2.200 inches minimum and 2.201 inches maximum body outside diameter, 1.745 inches minimum and 1.755 inches maximum body inside 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: 0.435 inches minimum and 0.437 inches maximum
Body Outside Diameter: 2.200 inches minimum and 2.201 inches maximum
Body Inside Diameter: 1.745 inches minimum and 1.755 inches maximum
Seat Angle In Deg: 44.750 minimum and 45.250 maximum
Hardness Rating: 38.0 rockwell c minimum body
Hardness Rating: 40.0 rockwell c minimum face
Seating Surface Shape: angular
Material: cobalt face
Material: steel comp 8640 or steel comp 8740 or steel comp 4140 body
Material Document And Classification: 66 fed std all material responses or qq-s-624 fed spec all material responses body
Style Designator: plain

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
2805-00-737-5203	No Name Available	01/01/1963
2805-00-741-3574	No Name Available	06/20/1967

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
7375203	Engine Valve Seat Insert
R600A331	Engine Valve Seat Insert
R600A331-010	Engine Valve Seat Insert
R600A331L	Engine Valve Seat Insert

FAQs

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

What is the FSCG of the NSN 2805-00-374-4109?

The FSCG of the NSN 2805-00-374-4109 is 2805

Does the NSN 2805-00-374-4109 have a Schedule B code assigned?

Yes, the Schedule B code is 8481909090

Does NSN 2805-00-374-4109 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 2805-00-374-4109 contain precious materials?

Item does not contain precious metal.

Does NSN 2805-00-374-4109 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 2805-00-374-4109 was assigned to the Federal Catalog?

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