3978-3SET12

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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-026-0646

Item Name Code

05488

Assigment Date

08/15/1976 (50 years ago)

4820-01-026-0646, safety relief valve

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
3978-3SET12	Safety Relief Valve

FAQs

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

What is the FSCG of the NSN 4820-01-026-0646?

The FSCG of the NSN 4820-01-026-0646 is 4820

Does the NSN 4820-01-026-0646 have a Schedule B code assigned?

Yes, the Schedule B code is 8481400000

Does NSN 4820-01-026-0646 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 4820-01-026-0646 contain precious materials?

Precious metal content is unknown

Does NSN 4820-01-026-0646 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 4820-01-026-0646 was assigned to the Federal Catalog?

It was assigned 50 years ago, on Sun, Aug 15, 1976