4820-01-657-7481

Find complete technical information, availability, and procurement data for: 4820-01-657-7481
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-657-7481

Item Name Code

35224

Assigment Date

08/29/2016 (9 years ago)

1.75 inches nominal outside diameter, 1.48 inches nominal inside diameter, disk,valve part name assigned by controlling agency, 1.60 inches nominal overall height, valve,ejection special features

Product Characteristics

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

Inside Diameter: 1.48 inches nominal
Outside Diameter: 1.75 inches nominal
Overall Height: 1.60 inches nominal
Part Name Assigned By Controlling Agency: disk,valve
Special Features: valve,ejection
Material: rubber
Material Document And Classification: astm d-2000 -4aa610a13c12 assn std single material response

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
4820-01-282-0165	No Name Available	08/01/2019

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
3946457S	Valve Disk
OS00662	Valve Disk
OS662-MX	Valve Disk

FAQs

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

What is the FSCG of the NSN 4820-01-657-7481?

The FSCG of the NSN 4820-01-657-7481 is 4820

Does the NSN 4820-01-657-7481 have a Schedule B code assigned?

Yes, the Schedule B code is 8481909090

Does NSN 4820-01-657-7481 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 4820-01-657-7481 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-657-7481 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 4820-01-657-7481 was assigned to the Federal Catalog?

It was assigned 9 years ago, on Mon, Aug 29, 2016