Product Details | RUPTURABLE DISK

4820-01-577-4979 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: 793419 ITEM NO 5, 793419 ITEM NO 5CP, 793419ITEMNO5, 793419ITEMNO5CP, 793552-001 OXYGEN CLEAN, 793552-001 OXYGEN CLEANCP, 793552001OXYGENCLEAN, 793552001OXYGENCLEANCP, 4820-01-577-4979, 01-577-4979, 4820015774979, 015774979

Valves | Valves, Nonpowered

Supply Group (FSG) NSN Assign. NIIN
48 09 SEP 2009 01-577-4979

Demand History | NSN 4820-01-577-4979

Part Number Request Date QTY Origin
4820-01-577-4979 2013-06-168 1 DIBBS
4820-01-577-4979 2013-06-153 1 DIBBS
4820-01-577-4979 2012-10-299 5 DIBBS

Cross Reference | NSN 4820-01-577-4979

Part Number Cage Code Manufacturer
793419 ITEM NO 5 75906 PACIFIC CONSOLIDATED INDUSTRIES LLC DBA PCI
793419 ITEM NO 5CP 03950 NAVAL INVENTORY CONTROL POINT MECHANICSBURG
793552-001 OXYGEN CLEAN 75906 PACIFIC CONSOLIDATED INDUSTRIES LLC DBA PCI
793552-001 OXYGEN CLEANCP 03950 NAVAL INVENTORY CONTROL POINT MECHANICSBURG

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Technical Data | NSN 4820-01-577-4979

Characteristic Specifications
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS CLEANING, PACKAGING, AND MARKING IAW MIL-STD-1330D.
DISK MATERIAL STEEL CORROSION RESISTING OR COPPER ALLOY
END ITEM IDENTIFICATION TANK ASSEMBLY, LOX
CRITICALITY CODE JUSTIFICATION ZZZY
PART NAME ASSIGNED BY CONTROLLING AGENCY RUPTURE DISC, VENT

Restrictions/Controls & Freight Information | NSN 4820-01-577-4979

Category Code Description
Shelf-Life Code:0Nondeteriorative
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.
Controlled Inventory Item Code:UUNCLASSIFIED
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:SThe item is a non-aviation Critical Safety Item (CSI) whose failure will result in serious damage to equipment or serious injury or death to personnel.
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
NMF Description 051080 FAUCETS,BIBCOCKS,GATES VALVES
Less than car load rating
Less than truck load rating W Rating Variable
Water commodity Code 594 unknown
Originating Activity Code HD Naval Inventory Control Point
Mechanicsburg, PA 17055-0788
Air Dimension Code A Shipment is not a consolidation and does not exceed 72 inches in any dimension.
Air Commodity N Ship's parts.
Air Special Handling Z No special handling required.
Special Handling Code 9 unknonwn
HAZMAT
Type of Cargo Z No special type of cargo code applicable

Management | NSN 4820-01-577-4979

Category Code Description
Cognizance Codes9BNavy-owned stocks of DLA material
Naval Inventory Control Point, Mechanicsburg
Special Material IDCPAn item that requires special cleaning and packaging for oxygen/nitrogen service (e.g, valves, piping systems, generators).
Source of SupplySMSDefense Logistics Agency
Enterprise Business Systems
AgencyDNDepartment of the Navy
Service OrganizationNU.S. Navy
Acquisition Advice CodesJNOT STOCKED, CENTRALLY PROCURED # (NON-STOCKED ITEMS) IMM/Service centrally managed but not stocked item. Procurement will be initiated only after receipt of a requisition.
Controlled Item CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative
Purchasing QTY
UOM
1
EA : Each