2805-00-737-8881

Find complete technical information, availability, and procurement data for: 2805-00-737-8881
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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

2805-00-737-8881

Item Name Code

32562

Assigment Date

01/01/1963 (63 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.

0.094 inches nominal major diameter length, 74.0 minimum rockwell b and 91.0 maximum rockwell b metallic hardness rating, 2.500 inches nominal overall length, 0.4390 inches nominal bore diameter, 0.750 inches nominal 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 Length: 2.500 inches nominal
Outside Diameter: 0.750 inches nominal
Bore Diameter: 0.4390 inches nominal
Metallic Hardness Rating: 74.0 minimum rockwell b and 91.0 maximum rockwell b
Major Diameter Length: 0.094 inches nominal
Bore Countersink: not included
Bore Counterbore: not included
Bb End Shank Diameter: 0.627 inches nominal
Bb End Chamfer Length: 0.063 inches nominal
Bb End Chamfer Angle In Deg: 15.0
Aa End Chamfer Length: 0.031 inches nominal
Aa End Chamfer Angle In Deg: 45.0
Material: iron cast
Style Designator: plain flanged

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
4-2540	Valve Stem Guide
7378881	Valve Stem Guide

FAQs

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

What is the FSCG of the NSN 2805-00-737-8881?

The FSCG of the NSN 2805-00-737-8881 is 2805

Does the NSN 2805-00-737-8881 have a Schedule B code assigned?

Yes, the Schedule B code is 8481909090

Does NSN 2805-00-737-8881 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 2805-00-737-8881 contain precious materials?

Precious metal content is unknown

Does NSN 2805-00-737-8881 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 2805-00-737-8881 was assigned to the Federal Catalog?

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