4820-01-431-6669

Find complete technical information, availability, and procurement data for: 4820-01-431-6669
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-431-6669

Item Name Code

36944

Assigment Date

05/16/1996 (30 years ago)

An item in the form of one or more thin flexible sheets normally designed to form a tight seal between chambers of a valve, and to transmit motion to a valve disk either directly or through a mechanical linkage. The surface of the item(s) may not be formed or molded to have a beaded or rolled edge, ribs, or any other raised surfaces. The item may contain bolt holes and/or a center hole. Excludes:diaphragm, valve, special shaped and gasket.

w/s code, fire fighting equipment end item identification, 0.312 inches minimum and 0.314 inches maximum inside diameter, 0.380 inches nominal overall length, check valve type for which designed, 1.500 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.

Inside Diameter: 0.312 inches minimum and 0.314 inches maximum
Outside Diameter: 1.500 inches nominal
Overall Length: 0.380 inches nominal
End Item Identification: w/s code, fire fighting equipment
Valve Type For Which Designed: check
Valve Design Control Activity: 53711
Valve Model Number For Which Designed: 803-6983468 assembly 98 and 99
Special Features: valve designed for size 0.375 inch or 0.500 inch
Material: nickel alloy and copper alloy

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 53	Valve Piston
803-6983468-PC053	Valve Piston

FAQs

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

What is the FSCG of the NSN 4820-01-431-6669?

The FSCG of the NSN 4820-01-431-6669 is 4820

Does the NSN 4820-01-431-6669 have a Schedule B code assigned?

Yes, the Schedule B code is 8481909090

Does NSN 4820-01-431-6669 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 4820-01-431-6669 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-431-6669 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 4820-01-431-6669 was assigned to the Federal Catalog?

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