Product Details | RUPTURABLE DISK

4820-01-553-7921 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.

Part Alternates: CD30976, 268L65626M00, 268L65626-M00, 4820-01-553-7921, 01-553-7921, 4820015537921, 015537921

Valves | Valves, Nonpowered

Supply Group (FSG) NSN Assign. NIIN
48 25 JUL 2007 01-553-7921

Cross Reference | NSN 4820-01-553-7921

Part Number Cage Code Manufacturer
268L65626-M00 U2692 JOHNSON CONTROLS LTD YORK NAVY SYSTE S
CD30976 28193 HENRY TECHNOLOGIES INC.

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Technical Data | NSN 4820-01-553-7921

Characteristic Specifications
III END ITEM IDENTIFICATION VALVES, NONPOWERED

Restrictions/Controls & Freight Information | NSN 4820-01-553-7921

Category Code Description
Hazardous Material Indicator CodeNThere is no data in the HMIS and the NSN is in an FSC not generally suspected of containing hazardous materials
Demilitarization Code:ANon-Munitions List Item/ Non-Strategic List Item - Demilitarization not required.
Electro-static Discharge Susceptible:ANo known Electrostatic Discharge (ESD) or Electromagnetic Interference (EMI) sensitivity
Precious Metals Indicator Code:AItem does not contain precious metal
Criticality Code:X The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.
Automatic Data Processing Equipment:0Represents items with no ADP components. NOTE: Codes 1 through 6 are only to be used when the item is Automatic Data Processing Equipment (ADPE) in its entirety and is limited to the type meeting only one of the definitions for codes 1 through 6. (See code 9)
Category Code Description
No Freight Information