Product Details | RUPTURABLE DISK

4820-01-325-9700 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: 5816525, 4820-01-325-9700, 01-325-9700, 4820013259700, 013259700

Valves | Valves, Nonpowered

Supply Group (FSG) NSN Assign. NIIN
48 14 SEP 1990 01-325-9700

Demand History | NSN 4820-01-325-9700

Part Number Request Date QTY Origin
5816525 2022-06-179 97 DIBBS
5816525 2022-05-139 40 DIBBS
5816525 2022-03-79 10 DIBBS
5816525 2022-02-33 97 DIBBS
5816525 2022-01-20 97 DIBBS
5816525 2022-01-09 97 DIBBS
5816525 2021-10-284 20 DIBBS
5816525 2021-09-257 61 DIBBS
5816525 2021-08-243 44 DIBBS
5816525 2021-08-227 58 DIBBS
5816525 2021-05-133 12 DIBBS
5816525 2021-04-101 6 DIBBS
4820-01-325-9700 2017-03-72 164 DIBBS
4820-01-325-9700 2017-03-61 164 DIBBS
4820-01-325-9700 2016-12-364 98 DIBBS
4820-01-325-9700 2016-03-69 100 DIBBS
4820-01-325-9700 2015-03-68 134 DIBBS
4820-01-325-9700 2014-10-275 84 DIBBS
4820-01-325-9700 2014-07-182 132 DIBBS
4820-01-325-9700 2013-07-195 110 DIBBS
4820-01-325-9700 2012-04-96 64 DIBBS
4820-01-325-9700 2011-08-241 103 DIBBS
4820-01-325-9700 2010-11-334 51 DIBBS
4820-01-325-9700 2008-11-331 20 DIBBS
4820-01-325-9700 2008-11-331 20 DIBBS
4820-01-325-9700 2008-08-217 20 DIBBS

Cross Reference | NSN 4820-01-325-9700

Part Number Cage Code Manufacturer
5816525 53711 NAVAL SEA SYSTEMS COMMAND
5816525 67289 PRESSURE SPECIALTIES INCORPORATED

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Technical Data | NSN 4820-01-325-9700

Characteristic Specifications
DISK MATERIAL NICKEL ALLOY
CROSS-SECTIONAL SHAPE CONCAVE
DISK SIZE 1.250 INCHES
BURST PRESSURE 5200.0 PRESSURE POUNDS PER SQUARE INCH ABSOLUTE
SPECIAL FEATURES BURST DISC ASSEMBLY,SAFETY-CO2 CONTAINER;THICKNESS:0.630 IN.MIN,0.645 IN.MAX
III END ITEM IDENTIFICATION MK93 MOD0 FLEET EXERCISE SYSTEM,TORPEDO MK50
MANUFACTURERS CODE 53711
MFR SOURCE CONTROLLING REFERENCE 5816525

Restrictions/Controls & Freight Information | NSN 4820-01-325-9700

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
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
NMF Description 051080 FAUCETS,BIBCOCKS,GATES VALVES
Less than car load rating S 60
Less than truck load rating W Rating Variable
Water commodity Code 671 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 V Vehicles, machinery, shop and warehouse equipment and supplies, including special tools and equipment, ground servicing and special purpose vehicles, marine equipment and supplies, repair and maintenance parts for the above.
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 4820-01-325-9700

Category Code Description
Cognizance Codes9BNavy-owned stocks of DLA material
Naval Inventory Control Point, Mechanicsburg
Source of SupplySMSDefense Logistics Agency
Enterprise Business Systems
AgencyDNDepartment of the Navy
Service OrganizationNU.S. Navy
Acquisition Advice CodesZINSURANCE/NUMERIC STOCKAGE OBJECTIVE ITEM # Items which may be required occasionally or intermittently, and prudence requires that a nominal quantity of materiel be stocked due to the essentiality or the lead time of the item. 1. The item is centrally managed, stocked, and issued. 2. Requisitions will be submitted in accordance with IMM/Service requisitioning procedures.
Controlled Item CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative
Purchasing QTY
UOM
1
EA : Each