4820-01-191-6465

Find complete technical information, availability, and procurement data for: 4820-01-191-6465
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-191-6465

Item Name Code

22113

Assigment Date

10/11/1984 (41 years ago)

A replaceable item designed to provide a stationary seating surface for a mating, moveable item such as a valve disk or the like. The body may have a flange of various shapes. For diesel and gasoline reciprocating engines, see insert, engine valve seat.

1.159 inches nominal body outside diameter, 0.781 inches nominal body inside diameter, 1.281 inches nominal flange diameter, 0.875 inches nominal taper major diameter, 0.125 inches nominal taper length

Product Characteristics

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

Flange Diameter: 1.281 inches nominal
Taper Length: 0.125 inches nominal
Taper Major Diameter: 0.875 inches nominal
Body Outside Diameter: 1.159 inches nominal
Body Inside Diameter: 0.781 inches nominal
Flange Seat To Disk End Height: 0.688 inches nominal
Under Flange Height: 0.750 inches nominal
Seat Angle In Deg: 45.000 nominal
Seating Surface Shape: angular
Special Features: reamed second end 0.250 in. dia by 0.750 in. lg
Material: aluminum alloy overall
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
1895646	Valve Seat
N5586 PIECE 89	Valve Seat

FAQs

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

What is the FSCG of the NSN 4820-01-191-6465?

The FSCG of the NSN 4820-01-191-6465 is 4820

Does the NSN 4820-01-191-6465 have a Schedule B code assigned?

Yes, the Schedule B code is 8481909090

Does NSN 4820-01-191-6465 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 4820-01-191-6465 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-191-6465 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 4820-01-191-6465 was assigned to the Federal Catalog?

It was assigned 41 years ago, on Thu, Oct 11, 1984