73683 ITEM 3

View detailed technical data, stock status, and sourcing information for: 73683 ITEM 3
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-274-8418

Item Name Code

22113

Assigment Date

03/13/1988 (38 years ago)

nickel alloy overall material, 1.750 inches nominal overall height, 10.250 inches nominal body inside diameter, flat seating surface shape, 12.260 inches nominal 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: 1.750 inches nominal
Body Outside Diameter: 12.260 inches nominal
Body Inside Diameter: 10.250 inches nominal
Seating Surface Shape: flat
Material: nickel alloy overall
Surface Treatment: chromium overall
Style Designator: plain

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
4820-01-087-1315	No Name Available	03/01/2020

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
73683 ITEM 3	Valve Seat
NL1188	Valve Seat
NL1188-1	Valve Seat

FAQs

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

What is the FSCG of the NSN 4820-01-274-8418?

The FSCG of the NSN 4820-01-274-8418 is 4820

Does the NSN 4820-01-274-8418 have a Schedule B code assigned?

Yes, the Schedule B code is 8481909090

Does NSN 4820-01-274-8418 require demilitarization?

"commerce control list items (ccli) - mut to the point of scrap required outside the united states. Inside the united states, mut is required when the demil integrity code (ic) is "3" and mut is not required when the demic is "6" (note 8)"

Does NSN 4820-01-274-8418 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-274-8418 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 4820-01-274-8418 was assigned to the Federal Catalog?

It was assigned 38 years ago, on Sun, Mar 13, 1988