4820-01-431-6674

Find complete technical information, availability, and procurement data for: 4820-01-431-6674
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-431-6674

Item Name Code

36944

Assigment Date

05/16/1996 (30 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.

2.125 inches nominal outside diameter, 1.000 inches valve size for which designed, used on the fire fighting equipment end item identification, 0.438 inches nominal inside diameter, check valve type for which designed

Product Characteristics

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

Inside Diameter: 0.438 inches nominal
Outside Diameter: 2.125 inches nominal
End Item Identification: used on the fire fighting equipment
Valve Type For Which Designed: check
Valve Size For Which Designed: 1.000 inches
Valve Design Control Activity: 53711
Valve Model Number For Which Designed: 803-6983468-assembly 97
Material: nickel alloy
Material Document And Classification: astm-b164 assn std single material response

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
6983468-PIECE 54	Valve Piston
803-6983468-PC054	Valve Piston

FAQs

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

What is the FSCG of the NSN 4820-01-431-6674?

The FSCG of the NSN 4820-01-431-6674 is 4820

Does the NSN 4820-01-431-6674 have a Schedule B code assigned?

Yes, the Schedule B code is 8481909090

Does NSN 4820-01-431-6674 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 4820-01-431-6674 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-431-6674 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 4820-01-431-6674 was assigned to the Federal Catalog?

It was assigned 30 years ago, on Thu, May 16, 1996