National Item Identification Number

01-453-7822
014537822
4820-01-453-7822
4820-01-453-7822

National Stock Number

Item Name

DISK,RUPTURABLE

Federal Supply Class

4820

Description

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.

Commercial and Government Entity Code (Supplier Data)

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Reference Numbers (Part Numbers)

803-4384536
803-4384536-61XX-81

Required Categories

DISK MATERIAL
DISK TYPE
DISK SIZE
BURST PRESSURE
III END ITEM IDENTIFICATION

Required Description

STEEL CORROSION RESISTING
SOLID
3.500 INCHES
50.0 PRESSURE POUNDS PER SQUARE