4820-01-646-3805

Find complete technical information, availability, and procurement data for: 4820-01-646-3805
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-646-3805

Item Name Code

05488

Assigment Date

07/21/2015 (11 years ago)

A washer of various shapes having a centrally located hole. It is primarily used as a seat for a bolt or screw to distribute pressure and has a sealing element. It may be used in connection with metallic washers to which it can be bonded.

0.75 inches 1st end nominal pipe size accommodated, steam generator end item identification, 1.25 inches 2nd end nominal pipe size accommodated, steel corrosion resisting body material, valve safety 100psi part name assigned by controlling agency

Product Characteristics

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

Nominal Pipe Size Accommodated: 0.75 inches 1st end
Nominal Pipe Size Accommodated: 1.25 inches 2nd end
End Item Identification: steam generator
Part Name Assigned By Controlling Agency: valve safety 100psi
Material: steel corrosion resisting body

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
0022428A	Safety Relief Valve

FAQs

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

What is the FSCG of the NSN 4820-01-646-3805?

The FSCG of the NSN 4820-01-646-3805 is 4820

Does the NSN 4820-01-646-3805 have a Schedule B code assigned?

Yes, the Schedule B code is 8481400000

Does NSN 4820-01-646-3805 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 4820-01-646-3805 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-646-3805 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 4820-01-646-3805 was assigned to the Federal Catalog?

It was assigned 11 years ago, on Tue, Jul 21, 2015