4820-01-337-4441

Find complete technical information, availability, and procurement data for: 4820-01-337-4441
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-337-4441

Item Name Code

27850

Assigment Date

04/14/1991 (35 years ago)

A thin, circular, metallic or nonmetallic item with a flat or prebulged cross-sectional shape, designed to rupture at a predetermined pressure to prevent damage to hydraulic or pneumatic systems, or the like. It may include multiple pieces, such as a retainer ring, disk and vacuum support. It can be used independently or as a component part of a head, safety, pressure relief. For items furnished with a holder, see head and disk, safety, pressure relief. For items without a rupture pressure rating, see disk, solid, plain. Excludes:diaphragm, valve, flat; diaphragm, valve, special shaped; disk, valve; and insulator, disk.

material will be in accordance with navicp mech; activity hx quality control, manufacturing and testing specifications. reference number differentiating characteristics, zzzy criticality code justification

Product Characteristics

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

Criticality Code Justification: zzzy
Reference Number Differentiating Characteristics: material will be in accordance with navicp mech; activity hx quality control, manufacturing and testing specifications.

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
POLY-SD,3IN,1100PSIG,316SS	Rupturable Disk

FAQs

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

What is the FSCG of the NSN 4820-01-337-4441?

The FSCG of the NSN 4820-01-337-4441 is 4820

Does the NSN 4820-01-337-4441 have a Schedule B code assigned?

Yes, the Schedule B code is 8481909090

Does NSN 4820-01-337-4441 require demilitarization?

Usml or ccl military items - demil required. Item managers,, equipment specialists, or product specialists must furnish special demilinstructions. (note 3).

Does NSN 4820-01-337-4441 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-337-4441 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 4820-01-337-4441 was assigned to the Federal Catalog?

It was assigned 35 years ago, on Sun, Apr 14, 1991